MAI COMPANY CONFIDENTIAL FIELD INFORMATION BULLETIN SERVICE GROUP(S): MINI MFG: PRINTRONIX NACS TYPE(S): 4230,9012 MFG. MODEL(S): 9012,P9000 CATEGORY: PRINTER DESC: MATRIX LINE PRINTER *** TABLE OF CONTENTS AS OF 07/03/94 *** FIB 00001.General.Information.........................................10/11/93 FIB 00002.P9000 SFCC Code Selection for Correct NEWX Results..........09/02/88 FIB 00003.Memory Config and IGP40 Setup for Sealy Mattress (OMT) P900008/17/90 FIB 00004.Buffer Overrun Errors.......................................09/02/88 FIB 00005.Power supply trouble shooting aid...........................09/02/88 FIB 00006.9012 Spare Parts List.......................................06/30/92 FIB 00007.Printer Displays "Cooling" Condition .......................06/25/92 FIB 00008.Release of new Flex Counter-weight, Powdered Flywheel & Oil 11/28/89 FIB 00009.Error Condition "CHECK INK RIBBON"..........................12/14/89 FIB 00010.To Prevent Labels Sticking in Paper Chute Area..............01/16/90 FIB 00011.Check for bad Hammer Driver PCBA (MM329146).................02/16/90 FIB 00012.Intermittent "?" Errors (Isolate Frame Ground from Logic Gro02/06/91 FIB 00013.PT-4230 Class A Upgrade of Existing P900 Printers [ WPSF 68106/20/91 FIB 00014.New Auto-Ranging Power Supply Released [ WPSF 725 ]........12/27/91 FIB 00015.Printer Not Printing in One or Two Hammer Driver P(Text Inco04/18/94 FIB 00016.USE ON A PC.................................................05/24/94 PRINTER-PRINTRONIX-9012,P9000-----------------------Table Of Contents Pg01 of 01 FIB 00001 MAI COMPANY CONFIDENTIAL 10/11/93 *** General Information *** A.SPECIFIC DATA 1) 9012 - Printronix P series printer. 2) Part number prefixes are: MM329___ Printronix 3) SERVICE MANUALS AVAILABLE: See GENERAL - BASIC FOUR - DOCUMENTATION FIB 4 for available documentation. 4) TRAINING: Training available: None available at this time 5) TEST EQUIPMENT: PRINTER TESTER - Part Number - 0R997262 (Tester works with Centronics Parallel and Industry Standard Serial) B. HARDWARE 1) Printer manufactured by Printronix Inc 2) The printer timing comes from a magnetic pickup sensing the slots of a brass ring mounted on back of the flywheel. 3) There are 88 hammers in the hammer bank assembly, for the P9012 Printer 4) There are three logic card assemblies, all with seperate backplanes. a) The power supply backplane assembly (accommodates 3 Power Supply PCBA's). b) The hammer driver backplane assembly (accommodates 3 Hammer Driver PCBA's). c) The main logic card assembly. Both, the power supply and hammer driver backplane assembly connect to the main logic card assembly. The main logic card assembly will accommodate up to 5 PCBA's. Three slots are dedicated (DCU, MCU and Mech Driver PCBA), two slots are spares (IGP PCBA, etc.). 5) DCU PCBA: a) Begins the printing process by receiving data from the host interface. Three interfaces are available on the DCU card: the Centronics and Dataproducts parallel interface and an RS232 compatible serial interface. b) The DCU commands the MCU to drive all of the motors and other mechanical interfaces (print densities, etc.). c) The DCU loads the Hammer Driver PCBA's with data. d) Handles all fault/status and displays thru the Control Panel PCBA. e) Interfaces all Control Panel commands. 6) MCU PCBA: a) Controls all motor control functions(paper feed, ribbon and shuttle). b) Provides timing for Hammer Driver PCBA's. PRINTER-PRINTRONIX-9012,P9000-----------------------FIB001 Pg001 c) Receives fault status from Mech. Driver and presents to DCU. 7) MECHANISM DRIVER: a) Analog drive for all motor control circuits. b) Houses all fault circuits. c) Outputs/regulates +5 and +12 volts, from +36 volt output of Power Supply PCBA. Note: +12 Volts is used by Serial interface PCBA. 8) POWER SUPPLY: a) Supplies -12 and +36 volts to Hammer Driver and Mech. Driver PCBA's. 9) AUTO TAP: a) Allows printer to operate off any standard ac source (120V, 240V, 50hz or 60hz) without modification. b) Supplies system fans and blower motor with 120V. 10) RIBBON DRIVE: a) Drives ribbon moters. 11) HAMMER DRIVE PCBA: a) Supplies power to hammer coils. Each Hammer Driver supplies power to 33 coils, there are three Hammer Driver PCBA's. This means the first Hammer Driver (left hand side as looking at front of Hammer Driver Backplane) supplies the first 33 coils, the second Hammer Driver supplies the next 33 coils and the third Hammer Driver supplies the last 22 coils. C. PAPER SPECIFICATIONS: Stock Forms and Single Copy - 15, 18 , or 20-lb bond Standard Construction 2 and 3 Copies - 15-lb, 7-lb carbon Custom Forms 4 and 5 Copies - 12-lb bond, on first sheet and intermediate copies, 15-lb bond on last copy, 7-lb carbon 6 Copies - 12-lb bond on first sheet , 10-lb bond on intermed- iate copies, 15-lb bond on last copy, 7-lb carbon Carbonless Paper 6 Copies - 14 or 15-lb in white or colors, 15 or 16-lb white or colors in last position 10 Copies - 10-lb white carbonizing bond (carbon backed), 15 lb bond recommened for last copy D. PREVENTIVE MAINTENANCE - Perform at a frequency of every two months 1) CABINET SURFACES A) Inspect and clean using vacuum and soft brush. B) Remove dirt and ink marks with cleaning solution and soft cloth. 2) RIBBON DRIVE and HAMMER BANK PRINTER-PRINTRONIX-9012,P9000-----------------------FIB001 Pg002 A) Remove Ribbon Drive, clean ribbon guides and remove all debris. B) Seperate anti-rotation block and shims from shuttle assembly, rotate hammer bank assembly as far as it will go toward front of printer. C) Remove and clean ribbon mask assembly. D) Clean hammer tips and coil with freon to remove buildup of ink and debris. Do not change hammer tension by excessive flexing. Vacuum interior for all loose debris. *** CAUTION: DO NOT USE ALCOHOL *** 3) BELTS A) Check shuttle drive,paper feed and tractor belts for possible wear and tension. 4) LUBRICATION A) Lubricate "O" rings(2) on ribbon spool hubs,with a silicone type lubricant. B) Use SAE 20 oil to lubricate cam wick and counterweight assemblies. 1) To oil counterweight assembly, remove two oil port plugs and add one drop of SAE 20 oil to each port. Re-install oil port plugs. 2) Use 20 SAE oil to lubricate both the upper and lower counterweight shafts. C) Clean cam follower yokes with solvent and lubricate with SAE 20 oil. D) Lubricate the antirotation arm with standard high-quality ball and roller-bearing grease (MASTER LUBRICANTS M-3). *** NOTE *** If unsure of lubrication points on printer, illustrations are available in General section of TECH TALKS ORIGINATOR: J.O'Brien PRINTER-PRINTRONIX-9012,P9000-----------------------FIB001 Pg003 FIB 00002 09/02/88 *** P9000 SFCC Code Selection for Correct NEWX Results *** Product: P9000 Printronix 900LPM printer (Sealy Mattress) Problem: P9000 Printronix Printer w/IGP40 will not perform graphics test from NEWX unless SFCC code is set for [ ^G ] on IGP40. To allow the IGP40 to work correctly with Sealy Mattress application software the SFCC code needs to be set for a [ ~ ]. ............................................................................... SFCC CODE SETTING FOR SEALY MATTRESS APPLICATION Address=07 (Special Function Control Character) 8 7 6 5 4 3 2 1 --------------------------------- Dip switch setting= OFF ON ON ON ON ON ON OFF 1-8 = SFCC CODE SELECTION : 7E = ~ ............................................................................... SFCC CODE SETTING FOR NEWX IGP TEST Address=07 (Special Function Control Character) 8 7 6 5 4 3 2 1 --------------------------------- Dip switch setting= OFF OFF OFF OFF OFF ON ON ON 1-8 = SFCC CODE SELECTION : 07 = BEL (^G) ORIGINATOR: Allan Mollyhorn PRINTER-PRINTRONIX-9012,P9000-----------------------FIB002 Pg001 FIB 00003 08/17/90 *** Memory Config and IGP40 Setup for Sealy Mattress (OMT) P9000 *** Proper Set up of P9000 printers for Sealy Mattress (OMT) ------------------------------------------------------------------------------- Memory Configuration COPYRIGHT PRINTRONIX INC. P9000 DCU VERSION 2.00E, 01-JUL-1988 PART NO. 134059 P9000 MCU VERSION 2.00J, 17-JUN-1988 PART NO. 134062 P9000 FONT VERSION 1.01G 16-JUN-1988 PART NO. 132101 Form Length Set At 11.0 Inches Line Spacing Set At 6 LPI Print Mode DP At 10 CPI Character Set ASCII PRINT STATISTICS Power On Time XXXX.X Hrs Print Time XXXX.X Hrs Print Pages XXX,XXX,XXX Print Lines XXX,XXX,XXX Total Dot Count XX,XXX,XXX KDOTS APPLICATION COMPATIBILITY Printer Protocol P-Series Buffer Size 2048 Characters Uppercase Select Uppercase Only Printer Select Disable Paper Advance SW Print + Pap Adv Power On State Offline PAPER FORMAT Auto Line Feed After Full Line Define CR Code CR = CR Define LF Code LF = CR + LF VFU Select EVFU Perforation Skip Disable Paper Empty End of Paper PMD Fault Enable Modified Plot Disable Slew Relative 1 To 16 HOST INTERFACE DATA PRODUCTS Data Bit 8 Disable PI Line Enable Data Polarity Standard Resp. Polarity Standard Latch Data On Leading Edge Fast Busy Enable PRINTER-PRINTRONIX-9012,P9000-----------------------FIB003 Pg001 ............................................................................... COPYWRIGHT 1988 PRINTRONIX, INC. INTELLIGENT GRAPHICS PROCESSOR (LEVEL VI) PROGRAM PART NUMBER : 148585 VERSION 6.10D FONT PART NUMBER : 148586-001 DATE : MAR-18-1988 Diagnostics Completed Successfully ADDRESS = 00 (SERIAL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 --------------------------------- Dip Switch Setting = OFF ON OFF ON OFF OFF OFF OFF 7-8 = Number Of Stop Bits : 1 6 = Parity : Odd 5 = Parity Control : Enabled 4 = Number of Data Bits : 7 3 = Clock Multiplier : Async 1X ADDRESS = 01 (SERIAL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 --------------------------------- Dip Switch Setting = ON OFF OFF OFF OFF OFF OFF OFF 8 = Baud Rate Clock : Internal 7 = RCLK AND TCLK (1X) Signals Select : Disabled 6 = DTR And RTS Signals Polarity : Normal 5 = RTS Is a function of ON/OFFLINE : ONLY 4 = DTR Is a function of ON/OFFLINE : ONLY 1-3 = Protocol Type : XON/XOFF ADDRESS = 02 (SERIAL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF OFF OFF OFF ON ON ON OFF 6-8 = (XOFF Level - XON Level) Select : 1536 Characters 5 = DTR high when power on select : Disabled 1-4 = Baud Rate : 19.2K *** Note 1 ADDRESS = 03 (SERIAL POLL CHARACTER) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF OFF OFF OFF OFF ON OFF ON 1-8 = Serial Poll Character : 05 = ENQ (^E) ADDRESS = 04 (PARALLEL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF OFF ON ON OFF OFF ON OFF 8 = Interface Type : Serial PRINTER-PRINTRONIX-9012,P9000-----------------------FIB003 Pg002 7 = Parallel type : Centronics 6 = Sense of Data Bit 8 Line : Disabled 5 = Sense of PI Line : Disabled 4 = Data Line Logic Polarity : High True 3 = Data Strobe Polarity : Low True 2 = Response Line Polarity : High True 1 = Not Used ADDRESS = 05 (PROGRAMMING COMPATIBILTY OPTIONS) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF OFF OFF OFF OFF OFF OFF OFF 8 = Carriage Return = Line Feed Select : Disabled 7 = Auto Line Feed After Full Line : Disabled 6 = EOT (04) /ENQ (05) Strip Select : Disabled 5 = Character Ignored Option Select : Disabled 1-4 = Not Used ADDRESS = 06 (CHARACTER IGNORED OPTION) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF OFF OFF OFF OFF OFF OFF OFF 1-8 = Character to be ignored : 00 = NUL (^@) ADDRESS = 07 (SPECIAL FUNCTION CONTROL CHARACTER) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF ON ON ON ON ON ON OFF 1-8 = SFCC Code Selection : 7E = ~ **** Note 2 ADDRESS = 08 (PAPER FORMAT SETUP OPTIONS) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = ON OFF ON OFF OFF OFF OFF OFF 8 = Printer Pi Line : Enabled 7 = Binary Count PI(00-0F) Select : 1-16 Lines 6 = Carriage Return (OD) Editing : Disabled 1-5 = Not Used ADDRESS = 09 (PRINTER TYPE OPTION) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF OFF OFF OFF OFF OFF OFF OFF 6-8 = Type of Printer : MVP 150/150B 3-5 = Print Mode On Power Up : Not Used 1-2 = Not Used ADDRESS = 0A (MISCELLANEOUS SPECIAL OPTIONS) 8 7 6 5 4 3 2 1 ---------------------------------- Dip Switch Setting = OFF OFF OFF OFF OFF OFF OFF OFF 8 = Quiet Mode on Power Up : Disabled 7 = Scaling Inputs Round Off Select : Disabled 6 = Condensed Config. Msg in Self-Test : Disabled 1-5 = Character Font Selected : ASCII PRINTER-PRINTRONIX-9012,P9000-----------------------FIB003 Pg003 ******************************************************************************* Note 1 : Use of 50 ft cable or shorter, is required at this baud rate. ******************************************************************************* Note 2: Change this character for NEWX bar code test and BASIC FOUR application software to (^G - hex 07) but reset to (~ - hex 7E) for OMT only application software. ******************************************************************************* ORIGINATOR: A. Mollyhorn PRINTER-PRINTRONIX-9012,P9000-----------------------FIB003 Pg004 FIB 00004 09/02/88 *** Buffer Overrun Errors *** Product: P9000 Printronix 900 LPM Problem: Buffer Overun errors Possible Causes: 1. Memory configuration and IGP40 not configured properly 2. Defective 1488 driver chip on RS232 I/O pcba. ( pcba located at rear of printer with RS232 connector ). 3. Missing -12VDC from Mechanical Driver PCBA regulator ckt. (test point on DCU marked -12V) [Regulator ckt. on Mechanical Driver provides -12V to MCU, DCU, IGP40, and RS232 pcba I/O]. 4. Or any defective pcba. ***Note: two 1489 reciever chips are also located on the RS232 I/O pcba *** ORIGINATOR: Allan Mollyhorn PRINTER-PRINTRONIX-9012,P9000-----------------------FIB004 Pg001 FIB 00005 09/02/88 *** Power supply trouble shooting aid *** Product: P9000 Printronix 900 LPM Printer ***** Power supply trouble shooting aid ***** There Y}yzhree main power supplies in the P9000 printer. Each power supply generates -12V, and +36V to the printer. They are paralleled to support current loading. The printer may operate with one of the power supplies bad. (could cause strange problems) To test for a defective power supply follow the below listed steps. # There is a seperate regulator for -12V and 5V on the Mechanical Driver pcba # ## It supplies -12V and 5V to the MCU, DCU, IGP40, and RS232 - I/O pcba's. ## 1. Remove AC power 2. Caution: The -12V supplied by a seperate regulator on the Mechanical Driver is still held up by capacitors even though power is off. Prior to removal and insertion of IGP40, DCU, MCU, RS232 - I/O and Mechanical Driver pcba's hook a meter to the -12V test point on the DCU pcba and monitor the voltage untill it bleeds down safely. (temporarily connecting, with AC power off, a 1K ohm resistor 1/4 watt between the -12V and GND test points on the DCU or Mechanical Driver will help bleed off the stored voltage faster). *** Note: 1K ohm resistor is not to be permanentley attached *** 3. Remove four screws holding access pannel to card cage backplane. (located inside front paper bin right hand side) 4. Back out all pcba's in card cage except for one of the Main power supplies you wish to test. (Read Caution Above) 5. The three screw lugs visible on the back of the backplane (with access cover removed) are from top to bottom, -12V, Common, and + 36V. 6. By plugging in one Main power supply at a time you can check each power supply to see if it is working correctly. (Apply power for test and remove power when changing power supplies). 7. Once all three Main power supplies have been tested reinsert all pcba's and access pannel. 8. Test that printer functions correctly and return to normal operation. ORIGINATOR: Allan Mollyhorn PRINTER-PRINTRONIX-9012,P9000-----------------------FIB005 Pg001 FIB 00006 MAI COMPANY CONFIDENTIAL 06/30/92 *** 9012 Spare Parts List *** 900 LPM MATRIX PRINTER SPARE PARTS LIST VENDOR NO. MBF NO. ICN NO. DESCRIPTION ---------- ---------- -------- ----------- 131349-001 400752-101 MM329101 BLOWER ASSY. 131140-001 400752-102 MM329102 MECHANICS ASSY. 131883-001 400752-103 MM329103 RIBBON DECK ASSY. 131573-001 400752-104 MM329104 MOUNT,GAS SPRING 131510-001 400752-105 MM329105 PCBA,BUZZER REMOTE 131733-001 400752-106 MM329106 COVER,MOTOR CAP 131328-001 400752-107 MM329107 GUIDE,PAPER EMPTY 105376-002 400752-108 MM329108 FAN ASSY. 131556-001 400752-109 MM329109 PANEL,FRONT ACCESS 131557-001 400752-110 MM329110 PANEL,REAR ACCESS 131745-001 400752-111 MM329111 COVER,HMRBK CABLE 109818-001 400752-112 MM329112 HOSE AIR COOL 2.0 INCH 107961-001 400752-113 MM329113 GAS SPRING ASSY. 101867-007 400752-114 MM329114 SWITCH SNAP ACTION SPDT 131301-001 400752-115 MM329115 PICKUP ASSY MAGNETIC 101240-001 400752-116 MM329116 MAGNETIC P/U ARM 131144-001 400752-117 MM329117 GUARD,PAPER FEED BELT 108649-001 400752-118 MM329118 GUIDE,ASSY UPPER PAPER 131152-001 400752-119 MM329119 PAPER GUIDE,REAR 108763-001 400752-120 MM329120 PAPER GUIDE ASSY,LOWER 101430-001 400752-121 MM329121 DOUBLER,LEAF SPRING 131135-001 400752-122 MM329122 COUNTERWEIGHT,ASSY 102731-001 400752-123 MM329123 ASSY,LOWER SHAFT CTWT 102717-001 400752-124 MM329124 SHAFT-UPPER CBAL 131342-001 400752-125 MM329125 SPRING,LEAF 131338-001 400752-126 MM329126 CLAMP PLATE 131340-001 400752-127 MM329127 SPACER,LEAF SPRING 101768-003 400752-128 MM329128 BELT,SHUTTLE T-110 108653-001 400752-129 MM329129 SPLINE SHAFT ASSY 131158-001 400752-130 MM329130 PLATE,TRACTOR SHAFT 102095-002 400752-131 MM329131 SHAFT,TRACTOR SPRT 102094-001 400752-132 MM329132 BUSHING,TRACTOR ADJUST 101547-003 400752-133 MM329133 WASHER,FLAT NYL. 102100-001 400752-134 MM329134 KNOB,ADJUST 101143-002 400752-135 MM329135 LEFT BUSHING 101309-001 400752-136 MM329136 BEARING,NYLON 101554-006 400752-137 MM329137 RING,GRIP EXT. 131168-001 400752-138 MM329138 SHUTTLE MOTOR ASSY. 131555-001 400752-139 MM329139 BELT COVER ASSY. 108616-004 400752-140 MM329140 TRACTOR ASSY. LH 108616-002 400752-141 MM329141 TRACTOR ASSY. RH 108570-001 400752-142 MM329142 LATCH-UPPER PAPER GUIDE 108740-001 400752-143 MM329143 RETAINER PAPER GUIDE 110688-001 400752-144 MM329144 BRUSH ANTI-STATIC 131148-001 400752-145 MM329145 PCBA,POWER SUPPLY 131666-001 400752-146 MM329146 PCBA,HAMMER DRIVER 131682-001 400752-147 MM329147 PCBA,MECH. DRIVER 131634-001 400752-148 MM329148 PCBA, DCU CONTROLLER 131466-001 400752-149 MM329149 PCBA,MCU CONTROLLER 131382-001 400752-150 MM329150 PCBA,LOGIC BACKPLANE 131390-001 400752-151 MM329151 PCBA,HAMMER DRIVER BACKPLANE PRINTER-PRINTRONIX-9012,P9000-----------------------FIB006 Pg001 131313-001 400752-152 MM329152 POWER BUS ASSY. DC 131868-001 400752-153 MM329153 POWER BUS ASSY. AC 131198-001 400752-154 MM329154 COIL ASSY. P9000 131485-001 400752-155 MM329155 DYNA-CAP ASSY. 131892-016 400752-156 MM329156 TAPE,RUBBER,COIL 131408-001 400752-157 MM329157 HAMMERBANK COVER ASSY. 131593-001 400752-158 MM329158 PLATE,ANTI-ROTATIONAL 131937-001 400752-159 MM329159 BRACKET ASSY. COIL 131934-001 400752-160 MM329160 CLAMP ASSY COIL 131434-001 400752-161 MM329161 CONTROL PANEL STD 131679-001 400752-162 MM329162 ASSY. LINE FILTER 109520-001 400752-163 MM329163 CIRCUIT BREAKER 131724-001 400752-164 MM329164 TRANSFORMER ASSY 131459-001 400752-165 MM329165 PCBA AUTOTAP AC 131694-001 400752-166 MM329166 COVER,RIBBON DECK 131695-001 400752-167 MM329167 BRACKET,PIVOT 131696-001 400752-168 MM329168 DEFLECTOR,AIR 108449-001 400752-169 MM329169 SPRING,EXTENSION 102526-001 400752-170 MM329170 HUB,DRIVE MOT.RBN SP 131306-001 400752-171 MM329171 MOTOR ASSY,RIBBON DRIVE 131549-001 400752-172 MM329172 RIBBON GUIDE ASSY. LH 131549-002 400752-173 MM329173 RIBBON GUIDE ASSY. RH 131559-001 400752-174 MM329174 PCBA,RIBBON DECK 131698-001 400752-175 MM329175 SWITCH ASSY,RIBBON DECK 107680-001 400752-176 MM329176 PAPER CATCHER ASSY. 108531-001 400752-177 MM329177 BRACKET,GAS SPRING,UPPER 107817-001 400752-178 MM329178 BRACKET,PAPER STACKER 101415-001 400752-179 MM329179 WINDOW,CABINET 108664-001 400752-180 MM329180 BELT,PAPER FEED 131302-902 400752-181 MM329181 MOTOR,PAPER FEED 132212-001 400752-182 MM329182 SWITCHES,IGP 132065-002 400752-183 MM329183 CABLE,IGP 109976-001 400752-184 MM329184 PCBA,IGP40 109870-901 400752-185 MM329185 PROM KIT,CHAR. (FONT) 109871-901 400752-186 MM329186 PROM KIT,PROGRAM (MCU & DCU) 131172-901 400752-187 MM329187 HAMMERSPRING ASSY. P9000 131419-905 400752-188 MM329188 SHUTTLE,ASSY 9012 131678-001 400752-189 MM329189 HAMMER TIP ALIGN TOOL 131574-001 400752-190 MM329190 OIL WICK ASSY. 131552-901 400752-191 MM329191 FLYWHEEL ASSY. 109869-002 400752-192 MM329192 FAN COOLING 131913-901 400752-193 MM329193 FAN ASSY. EXHAUST 131657-001 400752-194 MM329194 PCBA,P9000 I/O,RS232 109868-001 400752-196 MM329196 SENSOR,AIR FLOW PRESSURE 132029-001 PART # NOT ASSIGNED CHAIN,STATIC STACKER 13" 132029-002 PART # NOT ASSIGNED CHAIN,STATIC STACKER 19" GE379 YY002675 BULB,SNAP IN CONTACT 7328 YY005893 BULB,TWIN LEAD TYPE ORIGINATOR: J.O'Brien PRINTER-PRINTRONIX-9012,P9000-----------------------FIB006 Pg002 FIB 00007 MAI COMPANY CONFIDENTIAL 06/25/92 *** Printer Displays "Cooling" Condition *** SYMPTOM: Printer will display "Cooling" condition and then go into auto shut-down. PROBLEM DETERMINATION: The Service Manual will indicate that it may be one of several problem parts. The part that is in error, is the Air Cooling Switch. This part does not exist as the manual indicates. It has been replaced by an Air Flow Sensor Switch P/N MM329196 (Vendor P/N 109868-001). FIX: The Air Flow Sensor Switch is located directly below the Hammer Bank Assembly. To gain access to the switch, a metal flash just below the hammer bank must be removed (two screws). Now looking up at the printer, from where the paper supply would occupy, the switch will be observed. When the switch is removed and replaced, polarity of the two wires going to the switch must be observed. NOTE: The other problem parts defined by the Service Manual, may still be the cause of the problem. ******* FLASH ******* The best fix for this problem, is to order the Printer upgrade kit: MM329215 (514230-030) printers W/O Bar Code/Forms Option MM329220 (514230-031) printers With Bar Code/Forms Option Kits include new Sensor and Firmware, install as per FIB # 13 in this section. ORIGINATOR: J.O'Brien PRINTER-PRINTRONIX-9012,P9000-----------------------FIB007 Pg001 FIB 00008 11/28/89 *** Release of new Flex Counter-weight, Powdered Flywheel & Oil Wick *** Starting with S/N 902662 the P9012 has a new counter-weight, oil wick and flywheel. This FIB will list the areas of field concern. 1. The part number of the flywheel is, 131865-901. (Old P/N 131552-001) a. The new style flywheel has the code wheel integral in the flywheel. b. The flywheel is backward compatible. c. The old style flywheel is NOT forward compatible. d. The flywheel MPU gap adjustment is still adjusted at .008 as specified in service manual. 2. The part number of the oil wick is, 132072-901. (Old P/N 131574-001) a. The new oil wick is a white plastic block attached to a metal spring that holds the plastic block against the flywheel cam lobes. b. The new oil wick is permanently impregnated with oil and does NOT require periodic lubrication. 3. The part number of the counter-weight is, 131959-001. (Old P/N 131135-001) a. The new counter-weight is NOT backward compatible. 4. The part number of the base support (sand casting) is, 131959-001. a. The base support is NOT backward compatible. b. The base of the new counter-weight screws to the casting. ORIGINATOR: J. O'Brien PRINTER-PRINTRONIX-9012,P9000-----------------------FIB008 Pg001 FIB 00009 12/14/89 *** Error Condition "CHECK INK RIBBON" *** SYMPTOM: Printer displays error "CHECK INK RIBBON". PROBLEM DETERMINATION: Error is not covered in service manual. The error is checking current to drive ribbon motor (left or right), if too much current is required then the error condition will occur. The circuitry to check both motors is located on the Mech Driver PCBA. FIX: If the error is only occuring when the ribbon is moving in one direction, then the driving motor should be replaced. If the error is occuring when the ribbon is moving in either direction, then the Mech Driver PCBA should be replaced. ORIGINATOR: J. Malski PRINTER-PRINTRONIX-9012,P9000-----------------------FIB009 Pg001 FIB 00010 01/16/90 *** To Prevent Labels Sticking in Paper Chute Area *** SYMPTOM/TEXT: Labels come off paper and stick inside machine. FIX: Spray the chute area, paper ironer, & ribbon mask area with "Thom Mcan Dry Step" water repellant silicone spray. If the labels do come off, they don't stick to the areas sprayed. ORIGINATOR: Ken Ginefra & Pete Dobrow -1334 PRINTER-PRINTRONIX-9012,P9000-----------------------FIB010 Pg001 FIB 00011 02/16/90 *** Check for bad Hammer Driver PCBA (MM329146) *** SYMPTOM: Hammer Driver PCBA's with Fault Condition (HAMMER DRIVER PCB X (X = 1, 2,3)). PROBLEM DETERMINATION: If a large voltage spike (ex. lightning) were presented to the printer, damage may occur to one or all of the Hammer Driver PCBA's. Check resisitor R19 (560 ohm, 1 watt) for damager or low resistance. FIX: Replace resistor. It is easist to purchase this resistor locally (Radio Shack). LOCATION OF R19 ON HAMMER DRIVER PCBA ------------------------------------------------------- | Component side of PCBA | | -- | ----------------- | | | | | P1 | | | | | | | -- | | Q39 | | | | | | | | | -- | ----------------- | | ____ | P2 | |____|R17 | | |____|R20 -- | |____|R19 <- Check & possibly replace | | |____|R18 | | -- | | | | | | | | P3 | | | -- | | | | | -- | | | | P4 | | | -- | | ------------------------------------------------------- ORIGINATOR: J.O'Brien PRINTER-PRINTRONIX-9012,P9000-----------------------FIB011 Pg001 FIB 00012 02/06/91 *** Intermittent "?" Errors (Isolate Frame Ground from Logic Ground) *** SYMPTOM: Question marks "?" appearing in print jobs. Question marks may be by themselves, or in place of characters that should have printed. PROBLEM DETERMINATION: The printing of question marks, is the printers way of saying it had an unprintable character. This condition could be called a "Transmission Error", because what the CPU sent and what the printer thought it should print, are different. There are several causes for this error condition: 1) Bad I/O cable - Must be or meet MBF specifications, must be 25' or less and should have shield ground connected at one end only (CPU or Printer). 2) Bad RS-232 Interface PCBA, must be Rev. "H" or higher. 3) Bad DCU PCBA. FIX: If the above conditions have been checked, it is now suggested that frame ground be isolated from logic ground. This may be accomplished in the following steps: 1) Establish frame and logic ground are connected by using an Ohm meter, and measure between pins 1 (frame gnd.) and 7 (logic gnd.) of the RS-232 female connector on the RS-232 Interface PCBA. 2) Remove the RS-232 Interface PCBA and cut the etch from E1 to E2. 3) Unplug the Parallel Interface PCBA ribbon cable that plugs into the DCU PCBA (or IGP PCBA if the printer has the Bar Code option). The Parallel Interface PCBA also has the E1 to E2 (logic/frame ground connection), but as MBF does not use this printer in the parallel mode, it is easist to leave this PCBA disconnected. 4) Re-install the RS-232 Interface PCBA and again check pins 1 & 7 with an Ohm meter, to verify logic ground has been isolated from frame ground. ORIGINATOR: J.O'Brien PRINTER-PRINTRONIX-9012,P9000-----------------------FIB012 Pg001 FIB 00013 06/20/91 *** PT-4230 Class A Upgrade of Existing P900 Printers [ WPSF 681 ] *** PRINTER PT-4230 CLASS "A" UPGRADE TONY KACZOROSKI 3/91 681 TYPE: Informational PURPOSE: This Field Bulletin provides information on upgrading existing 900 LPM printers to the initial PT-4230 class "A" level. This Field Bulletin is divided into two parts, the first is a listing of the Power Up Default settings for the new firmware, and the second is the steps necessary to install the upgrade kit. A) Printer Upgrade Kit with Bar Code/Forms Option 514230-031 (MM329220) B) Printer Upgrade Kit W/O Bar Code/Forms Option 514230-030 (MM329215) POWER UP DEFAULT SETTINGS FOR THE NEW PT-4230 FIRMWARE MODEL 4230 P9000 DCU Version 3.01C, 1-Nov-1990 Part No. 134175 P9000 MCU Version 2.06B, 28-May-1990 Part No. 134145 P9000 FNT Version 3.01B, 12-Oct-1990 Part No. 134167 Print Statistics Power-on Time 00000.0 Hours Print Time 00000.0 Hours Shuttle Strokes 0000000074 Print Lines 0000000007 Print Pages 0000000000 Configuration Form Length Set at 11 Inches Line Spacing Set at 6 LPI Print Mode DP @ 10 CPI Ribbon Life Job Rate Currently 150 Ribbon Size Currently 60 When Worn Action Stop Printer Enable/Disable Disable Action Character Set Select Set MBF MULTINAT. Select Subset MBF INTERNAT'L Select Language USASCII Application Compatibility Printer Protocol 4214 Buffer Size 2048 Characters Paper Advance SW Print + Pap Adv Power On State On Line Alarm On Fault Enable Shuttle Timeout 4 Seconds Unidirectional Disable Select SFCC 01 SOH 80-9F Hex. Control Codes Control Code 06 8.0 LPI Control Code 08 Double High PRINTER-PRINTRONIX-9012,P9000-----------------------FIB013 Pg001 Overstrike Enable Display Language English Paper Format Auto Line Feed After Full Line Define CR Code CR = CR VFU Select EVFU Perforation Skip Disable Paper Out Immediate PMD Fault Enable Print Width 13.2 Inches Host Interface Serial RS-232 Data Protocol X-ON/X-OFF Data Rate 9600 Baud Word Length 7 Bits Stop Bit One Parity Odd Bit 8 Function Not Applicable CD and DSR Disable CTS and DSR Disable Data Term Ready Binary State 1 Request to Send Binary State 0 Reverse Channel Binary State 0 INTELLIGENT GRAPHICS PROCESSOR (LEVEL VI) PROGRAM PART NUMBER: 107150 VERSION 6.30R FONT PART NUMBER : 107151-001 V1.01A DATE : OCT-26-1989 DIAGNOSTICS COMPLETED SUCCESSFULLY ADDRESS = 00 (SERIAL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF ON OFF ON OFF OFF OFF OFF 7-8 = NUMBER OF STOP BITS : 1 6 = PARITY : ODD 5 = PARITY CONTROL : ENABLED 4 = NUMBER OF DATA BITS : 7 3 = CLOCK MULTIPLIER : ASYNC 1X 1-2 = NOT USED ADDRESS = 01 (SERIAL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = ON OFF OFF OFF OFF OFF OFF OFF 8 = BAUD RATE CLOCK : INTERNAL 7 = RCLK AND TCLK (1X) SIGNALS SELECT : DISABLED 6 = DTR AND RTS SIGNALS POLARITY : NORMAL 5 = RTS IS A FUNCTION OF ON/OFFLINE : ONLY 4 = DTR IS A FUNCTION OF ON/OFFLINE : ONLY 1-3 = PROTOCOL TYPE : XON/XOFF ADDRESS = 02 (SERIAL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF OFF OFF OFF ON ON OFF ON PRINTER-PRINTRONIX-9012,P9000-----------------------FIB013 Pg002 6-8 = (XOFF LEVEL - XON LEVEL) SELECT : 1536 CHARACTERS 5 = DTR HIGH WHEN POWER ON SELECT : DISABLED 1-4 = BAUD RATE : 9600 ADDRESS = 03 (SERIAL POLL CHARACTER) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF OFF OFF OFF OFF ON OFF ON 1-8 = SERIAL POLL CHARACTER : 05 = ENQ (^E) ADDRESS = 04 (PARALLEL INTERFACE SETUP OPTIONS) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF OFF ON ON OFF OFF ON OFF 8 = INTERFACE TYPE : SERIAL 7 = PARALLEL TYPE : CENTRONICS 6 = SENSE OF DATA BIT 8 LINE : DISABLED 5 = SENSE OF PI LINE : DISABLED 4 = DATA LINE LOGIC POLARITY : HIGH TRUE 3 = DATA STROBE POLARITY : LOW TRUE 2 = RESPONSE LINE POLARITY : HIGH TRUE 1 = NOT USED ADDRESS = 05 (PROGRAMMING COMPATIBILITY OPTIONS) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF OFF OFF OFF OFF OFF OFF OFF 8 = CARRIAGE RETURN = LINE FEED SELECT: DISABLED 7 = AUTO LINE FEED AFTER FULL LINE : DISABLED 6 = EOT (04) /ENQ (05) STRIP SELECT : DISABLED 5 = CHARACTER IGNORED OPTION SELECT : DISABLED 1-4 = NOT USED ADDRESS = 06 (CHARACTER IGNORED OPTION) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF OFF OFF OFF OFF OFF OFF OFF 1-8 = CHARACTER TO BE IGNORED : 00 = NUL (^@) ADDRESS = 07 (SPECIAL FUNCTION CONTROL CHARACTER) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF ON ON ON ON ON ON OFF 1-8 = SFCC CODE SELECTION : 7E = ~ ADDRESS = 08 (PAPER FORMAT SETUP OPTIONS) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = ON OFF ON OFF OFF OFF OFF OFF 8 = PRINTER PI LINE : ENABLED 7 = BINARY COUNT PI(00-0F) SELECT : 1-16 LINES 6 = CARRIAGE RETURN (OD) EDITING : DISABLED 1-5 = NOT USED ADDRESS = 09 (PRINTER TYPE OPTION) 8 7 6 5 4 3 2 1 PRINTER-PRINTRONIX-9012,P9000-----------------------FIB013 Pg003 -------------------------------- DIP SWITCH SETTING = OFF OFF OFF OFF OFF OFF OFF OFF 6-8 = TYPE OF PRINTER : MVP 150/150B 3-5 = PRINT MODE ON POWER UP : NOT USED 1-2 = NOT USED ADDRESS = 0A (MISCELLANEOUS SPECIAL OPTIONS) 8 7 6 5 4 3 2 1 -------------------------------- DIP SWITCH SETTING = OFF OFF OFF OFF OFF OFF OFF OFF 8 = QUIET MODE ON POWER UP : DISABLED 7 = SCALING INPUTS ROUND OFF SELECT : DISABLED 6 = CONDENSED CONFIG. MSG. IN SELF-TEST: DISABLED 1-5 = CHARACTER FONT SELECT : ASCII !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\]^_`ABCDEFGHIJKLMNO. !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\]^_`ABCDEFGHIJKLMNOP "#$%&'()*+,-.-0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\]^_`ABCDEFGHIJKLMNOPQ #$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\]^_`ABCDEFGHIJKLMNOPQR $%&'()*+,-.-0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ{\]^_`ABCDEFGHIJKLMNOPQRS 0 1 2 3 4 5 6 7 8 9 A B C D E F ASCII INSTALLATION OF THE PT-4230 CLASS "A" KIT This field kit upgrades the 900 LPM firmware to support the MBF National and Extended character sets and replaces the current mechanical cooling switch with a solid state airflow switch. Perform the following steps to upgrade the 900 LPM printer to a PT-4230. Replacing the Cooling Duct 1. Remove the printer side panel. 2. Cut the tie wraps surrounding the cooling duct. 3. Remove the cooling duct. 4. Insert the new cooling duct in its place and secure with tie wraps. Disconnecting the Cooling Cables 1. Open the printer front door. 2. Remove the two screws fastening the hammerbank cable cover. 3. Remove the hammerbank cable cover. 4. Unplug the red and black wires from the air flow switch and pull them through to the side of the printer near the cooling duct. 5. Replace the hammerbank cover and secure the two fastening screws. Installing the Cooling Switch Assembly 1. Connect the red and black wires that were removed from the air flow switch to the respective red and black wires extending from the air flow cable assembly. 2. Wrap the connections with electrical tape for insulation. 3. Disconnect the flat ribbon cable connected to the logic plane of the card cage at location J11. 4. Plug the pin connector on the flat ribbon cable assembly PRINTER-PRINTRONIX-9012,P9000-----------------------FIB013 Pg004 into the connector on the air flow cable assembly. 5. Plug the other end of the air flow cable assembly into the back plane of the card cage at location J11. 6. Secure the assembly with tie wraps. 7. Connect the cooling switch cable assembly to the connector attached to the new cooling duct. Replacing the MCU and DCU Firmware 1. Remove the logic cover plate by loosening the two screws located at the bottom of the plate. 2. Remove the MCU PCBA. 3. Remove the DCU PCBA. 4. Remove the Prom at location 6F on the MCU PCBA and install the supplied PROM (165059-013) in it's place. Check the PROM for proper positioning and orientation. 5. Record the Prom numbers at the following locations on the DCU PCBA in the event that the current firmware needs to be re-installed. 8W, 8U, 10W, 10U, 8P, 8M, 10P, 10M 6. Remove the 8 Proms at the locations listed above and install the 8 Proms that are supplied in the kit in the following locations: 165057-062 ------ 8W 165057-066 ------ 8P 165057-063 ------ 8U 165057-067 ------ 8M 165057-064 ------ 10W 165057-068 ------ 10P 165057-065 ------ 10U 165057-069 ------ 10M 7. Check the Proms for proper positioning and orientation. 8. Replace the MCU PCBA and the DCU PCBA in the card cage. NOTE: STEPS 9 THRU 13 ONLY APPLY TO PRINTERS THAT HAVE THE BAR CODES/FORMS OPTION (BC/FO) (400752-002) INSTALLED. 9. Remove the BC/FO PCBA from the card cage. 10. Record the Prom numbers at locations 2E, 2B and 2C in the event that the current firmware needs to be re-installed. 11. Remove all 3 Proms at the locations listed above and install the 3 proms that are supplied in the kit in the following locations: 165069-001 ------ 2E 165069-002 ------ 2B 165069-003 ------ 2C 12. Check the Proms for proper positioning and orientation. 13. Replace the BC/FO PCBA in the card cage. 14. Replace the Logic cover plate and secure it with the two screws located at the base of the plate. 15. Re-install the side panel. 16. Using indelible ink, mark the identification label on the rear of the printer as follows: For printers without BC/FO (400752-002) - Update Part Number to 400752-003. For printers with BC/FO (400752-002) - Update Part Number to 400752-004. 17. Turning the printer on will cause the message "NUM INITIALIZED" "PRESS CLEAR" to be displayed. Press and hold the clear button until the message "WAIT FOR RESTART" is displayed. PRINTER-PRINTRONIX-9012,P9000-----------------------FIB013 Pg005 Release the clear button and wait for the ON-LINE light to lite (approx. 15-30 seconds). The printer will now be set to the FACTORY DEFAULTS for a PT-4230. NOTE: If the PT-4230 has the BC/FO option installed the following settings will need to changed. Printer Configuration Options WAS RECOMMENDED Host Interface -- RS232 --------------- Dataproducts Data Bit 8 ------ Disabled ------------ Enabled PI Line --------- Disabled ------------ Enabled BC/FO CONFIGURATION OPTIONS SWITCH SETTINGS -------|--------------------------------------------------------------- ADDRESS| WAS (DEFAULT) | RECOMMENDED -------|------------------------------------------------------------- |8 7 6 5 4 3 2 1 |8 7 6 5 4 3 2 1 | | 0 |OFF ON OFF OFF ON OFF OFF OFF|OFF ON OFF ON OFF OFF OFF ON | | 2 |OFF OFF OFF OFF ON ON OFF ON |ON ON ON OFF ON ON OFF ON | | 4 |ON OFF OFF ON OFF OFF ON ON |OFF OFF OFF ON OFF OFF ON ON | | *7 |OFF ON ON ON ON ON ON OFF|OFF OFF OFF OFF OFF ON ON ON | | 8 |ON OFF OFF OFF OFF OFF OFF OFF|ON OFF ON OFF OFF OFF OFF OFF | | 9 |OFF OFF OFF OFF OFF OFF OFF OFF|OFF ON OFF OFF ON OFF OFF OFF NOTES AND CAUTIONS 1. Address 7 has been set up for the SFCC code to be $07$. For OMT installations the SFCC code must be changed to $7E$. The correct switch settings for this would be as follows: 8 7 6 5 4 3 2 1 7 ---- OFF ON ON ON ON ON ON OFF 2. With the BC/FO Option installed the Printer Defaults have been set up for address 2 to select a BAUD rate to be at 9600. For the printer to work at rated speed, the BAUD rate will need to be changed to 19200. The correct switch settings for this would be as follows: 2 ---- OFF OFF OFF OFF ON ON ON OFF 3. When using the PT-4230 on either an MPx or a GPx system the 1 foot adapter cable (907862-001) must be placed in between the printer and the serial device cable. 4. There is a new revision of the Bar Code/Forms Option User Reference Manual M0160 that is now available. The new revision number is -004. This new revision includes a great number of changes/corrections to the sample programs along with a complete listing of programming error codes. It is PRINTER-PRINTRONIX-9012,P9000-----------------------FIB013 Pg006 strongly recommended that anyone doing any Bar Code programing order the new manual. 5 - For a complete listing of all switch settings and options for the BC/FO option please see the Bar Code/Forms Option User Reference Manual M0160, pages 8-32 through 8-52. ORIGINATOR: Tony Kaczorosky PRINTER-PRINTRONIX-9012,P9000-----------------------FIB013 Pg007 FIB 00014 12/27/91 *** New Auto-Ranging Power Supply Released [ WPSF 725 ] *** TYPE: Informational PURPOSE: This Field Bulletin is written to announce the release of an Auto-Ranging Power Supply PCBA. Three Power Supply PCBAs are used in each PT-4230 printer. PROCEDURE: PT-4230 printers S/N 905547 and above will be released with auto-ranging power supply PCBAs along with a different power supply backplane. Automatic power selection between 120 VAC and 220 VAC will be accomplished on the power supply PCBAs, no longer requiring the autotap PCBA. The MAI and vendor part numbers for the new assemblies are: MAI P/N VENDOR P/N DESCRIPTION ---------- ---------- ----------------- 400752-204 133546-001 Power Supply PCBA 400752-205 133482-001 Power Backplane The new Power Supply PCBA is backward compatible and replaces the existing Power Supply PCBA, MAI P/N 4007520-145 (vendor P/N 131148-001). The new Power Backplane replaces the Power Buss Assemply AC, MAI P/N 400752-153 (vendor P/N 131868-001) and is not backward compatible. The new power backplane should only be used on PT-4230 S/N 9055547 or above (printers without the autotap PCBA). Please note the following: 1. In order to use the new Power Supply PCBA in a PT-4230 S/N 9055546 or below or one WITH the old autotap design, move jumper P1 on the new PCBA to the "open" position. The new PCBA can be used along with the older PCBAs provided the new board is jumpered correctly. 2. To use the new Power Supply PCBA in a PT-4230 with S/N 9055547 or above or printers WITHOUT the older autotap design, move jumper P1 on the new PCBA to the "short" position. 3. The older Power Supply PCBA is NOT forward compatible. Do not use the old PCBA (131148-001) in a PT-4230 S/N 9055547 or above that uses the new power backplane and no autotap PCBA. CAUTION: Do not confuse auto-range with autotap. Auto-range power supply is the new style, and it will automatically select the correct input voltage (120 or 220), whereas the autotap power supply requires manual selection. ORIGINATOR: Tony Kaczoroski PRINTER-PRINTRONIX-9012,P9000-----------------------FIB014 Pg001 FIB 00016 MAI COMPANY CONFIDENTIAL 05/24/94 *** USE ON A PC *** Subject: MAI & Printronix Shuttle Matrix Printer Support on PC System Parallel Centronics Ports The purpose of this bulletin is to describe the required terminating resistor pack changes and cabling needed to operate most of the MAI and Printronix Shut- tle Matrix Centronics parallel printers on PC type Centronics interfaces. The bulletin pertains to the following printer models: MAI models; PT-4201, PT-4214, PT-4219, PT-4224 & PT-4230. Printronix models; P150, P300, MVP, L150, P600, P3040, P6040, P6080, P6240, P6280 & P9012 History Earlier model MAI Systems exclusively used what is now termed as High Speed or True Centronics Parallel interfaces to drive printers with the Centronics paral- lel interface. The hardware components in the printer and on the system inter- face PCBA were all made compatible to support a fast Strobe for clocking in the parallel print data and pullup and pulldown terminating resistor packs to sup- port a signal cable length up to 30 feet. The Centronics parallel interface driver circuits on 13xx, MPx, AS Series, SPx, GPx 640 and GPx70 Systems and systems using the MAI Multi-function PCBA option or the 4601 Protocol Conver- sion Box all support the High Speed Centronics parallel printers. The Personal Computers (PCs) almost exclusively use what is now termed the PC type Centronics Parallel interface. This interface uses an open collector type circuit and hardware components that support a slower Strobe signal and maximum cable lengths anywhere from 6 to 15 feet. Most System manufacturers now use this PC type Centronics interface. Included in this system list is the MAI 1200, 1400, 1500, 1800, PSx30, GPx240/340/440, GPx30/50, GPx80, GPx60/90 and RPx7000. Required Modification Most MAI and Printronix Shuttle Matrix printers can be easily modified to oper- ate from PC type Centronics parallel interfaces by changing terminating resistor packs installed in them and then limiting the signal cable length to 15 feet. Unless the correct terminating packs are installed, these printers will not print at all from most PC type parallel ports. The recommended cable for Centronics parallel support is MAI P/N 916291-001 (15' long and double shielded). Control PCBA Terminating Resistor Packs Terminating resistor pack configuration varies from one printer to the next as far as location on the Parallel Control PCBA or Interface Connector PCBA. As a general rule if the printer has a 220 ohm pullup resistor pack and a 330 ohm pulldown pack installed (standard MAI configuration), the 220 ohm pack must be replaced by a 1K ohm pack and the 330 ohm pack must be removed and the socket left vacant. MAI P/N for the 1K ohm 14 pin resistor pack is 119003-007. IGP (Intelligence Graphic Processor) or BC/FO (MAI Bar Code Forms Option) PCBA Terminating Resistor Packs The same general rule applies if the printer has an IGP PCBA option installed and the customer wants to input Centronics parallel data to the printer instead of serial data. When an IGP PCBA is installed in the printer, data is first sent to the IGP PCBA then the IGP outputs parallel data (usually Dataproducts parallel) to the Control PCBA. Because the IGP is the PCBA first receiving data from the system, proper terminating resistor pack configuration is more critical to the IGP than the Control PCBA. You can often use the 220 and 330 ohm packs in the Controller PCBA and use the 1K ohm pack in the IGP PCBA. MAI part number for the 1K ohm 14 pin resistor pack is 119003-007. PRINTER-PRINTRONIX-9012,P9000-----------------------FIB016 Pg001 PT-4201 Printers The MAI PT-4201 (150 & 300 LPM) printers are the exception to the rule for operating from a PC Centronics parallel port. The terminating resistor pack (only one) is soldered in the Logic A PCBA and is unique in that it combines both the 220 and 330 ohm pack into one component resistor pack. To date no replacement pack has been found or testing performed that allows these printers to operate directly from a PC Parallel port. Solution for these printers is to. use a serial to parallel converter box or MAI 4601 protocol box. NOTE: The PT-4201 printer should not be confused with the Printronix P150 and P300 printers that use different Logic A and Logic B PCBAs with the Logic A PCBA having removable resistor packs. Terminating Resistor Pack Configuration Listing for MAI and Printronix Supported Printers Note: # = Required configuration for PC Type Centronics ports: Most PCs or MAI: 1200, 1500, 1800, PSx30, GPx240/340/440, GPx30/50, GPx80, GPx60/90 and RPx7000. * = Required configuration for MAI: 13xx, MPx, AS, SPx, GPx640, GPx70 or when an MAI Multi-Function PCBA Opt or MAI 4601 Protocol Box is used. MAI Part Number for the 1K ohm 14 pin Resistor Pack is 119003-007 MAI Model PTX Model Printer Desc. PCBA Desc. & P/N Loc./value Loc./value P150/P300 150 & 300 LPM Logic A6 106599-901 3A=1K ohm 2A=Vacant # 3A=220 ohm 2A=330 ohm * PT-4214 MVP 150 LPM Par Contr 110668-001 18C=1K ohm 17C=Vacant # 18C=220 ohm17C=330 ohm* or . Par Contr 111137-001 18C=1K ohm 17C=Vacant # 18C=220 ohm17C=330 ohm* PT-4219 L150 Bar Code Ptr Par Contr 111137-001 18C=1K ohm 17C=Vacant # 18C=220 ohm17C=330 ohm* IGP20 for P4214/19 & PTX MVP/L150 IGP20 lvl5 111704-901 22B=1K ohm 21B=Vacant # 22B=220 ohm21B=330 ohm* or IGP20 lvl6 112049-901 22B=1K ohm 21B=Vacant # 22B=220ohm 21B=330 ohm* PT-4224 P3040 300 LPM Prtr P3000 Cntr 111951-001 20D=1K ohm 20E=Vacant # 20D=220 ohm20E=330 ohm* or P3040A Ctr 112322-001 33F=1K ohm 32F=Vacant # 33F=220 ohm32F=330 ohm* IGP20 & 200 for P4224 & PTX P3040 IGP20 Lvl6 112049-901 22B=1K ohm 21B=Vacant # 22B=220 ohm21B=330 ohm* or IGP200 148777-901 17B=1K ohm 18B=Vacant # 17B=220 ohm18B=330 ohm* PT-4230 P9012 900 LPM Ptr DCU Cntr 132015-001 5V=1K ohm 4V=Vacant # 5V=220 ohm 4V=330 ohm * or DCU Cntr 133888-001 4S=1K ohm 4P=Vacant # 4S=220 ohm 4P=330 ohm * IGP40 & 400 for P4230 & P9012 IGP40 PCB 132257-001 7J=1K ohm 7G=Vacant # 7J=220 ohm 7G=330 ohm * or . IGP400 PCB 141686-901 6E=1K ohm 5E=Vacant # 6E=220 ohm 5E=330 ohm * P600 600 LPM Ptr Logic A6 106599-901 3A=1K ohm 2A=Vacant # 3A=220 ohm 2A=330 ohm * P6040/6080 & P6240/6280 I/O Cabl PCB U1&U3=1Kohm U2=Vacant # U1&U3=220ohmU2=330 ohm* IGP10 for P300 & P600 IGP10 Lvl5 108475-901 11A=1K ohm 12A=Vacant # 11A=220 ohm12A=330 ohm* PRINTER-PRINTRONIX-9012,P9000-----------------------FIB016 Pg002 IGP10 for P300/600, P6040/6080, & P6240/6280 IGP10 Lvl6 109771-901 11A=1K ohm 12A=Vacant # 11A=220 ohm12A=330 ohm* IGP100 for P300/600, P6040/6080, & P6240/6280 IGP100 141695-901 K1=1K ohm G1=Vacant # K1=220 ohm G1=330 ohm* ORIGINATOR: M. RAMUNNI PRINTER-PRINTRONIX-9012,P9000-----------------------FIB016 Pg003