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Service Guide ML590/ML591

Chapter 2 Principles of Operation

Head Overheat Alarm Processing

Two thermistors are used to monitor the printhead temperature. One is contained in the printhead
and the other in the printhead driver. The voltage of the TSD signal is monitored at the MPU A/D
port to control the pass number and print method (unidirectional / bi-directional) at each of seven
levels. If the printhead temperature exceeds 110 degrees Celsius, the printer will switch to
unidirectional print. If the temperature exceeds 115 degrees Celsius, printing will stop. Once the
printhead cools, printing will resume.

Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

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Содержание MICROLINE ML590

Страница 1: ...Thank You for purchasing this Factory Service Manual on EBAY from PCTECHINFO Click Here for more Factory Service Manuals for other Computer and Printer Copier Manufacturers from PCTECHINFO ...

Страница 2: ...al 09 17 97 Note This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi which is ideal for printing but does not view on most displays well Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 3: ...anel Switches 15 1 6 08 Graphics Resolution 16 1 6 09 Interface 17 1 6 10 Line Feed Increments 18 1 6 11 Line Feed Time 19 1 6 12 Menu Mode 20 1 6 13 Paper Feed Methods 21 1 6 14 Paper Feed Paths 22 1 6 15 Paper Loading 23 1 6 16 Paper Out Detection 24 1 6 17 Paper Tear Capabilities 25 1 6 18 Print Method 26 Printhead Gap Information 27 1 6 19 Print Modes 28 1 6 20 Print Speed 29 1 7 Paper Specifi...

Страница 4: ...9 Space Motor Control 60 Encoder Disk 61 2 1 07 Operation Panel 62 2 1 08 Alarm Circuit 63 Head Drive Time 64 Print Speed 65 Head Overheat Alarm Processing 66 2 1 09 Power Supply Circuit 67 2 2 Mechanical Operation 68 2 2 01 Printhead Mechanism 69 Interconnect Diagram Control Board to Printhead 70 Line Feed Motor Resistance 71 Space Motor Resistance 72 Printhead Operation 73 2 2 02 Spacing Mechani...

Страница 5: ... Assembly 100 3 2 09 Operator Panel PCB LEOP 101 3 2 10 PC Connector 102 3 2 11 Space Motor and Roller Guide Assemblies 103 3 2 12 Carriage Cable 104 3 2 13 Space Rack 105 3 2 14 Roller Holder Backup Assembly 106 3 2 15 Guide Rail and Adjust Cam 107 3 2 16 Left Ground Plate 108 3 2 17 Right Ground Plate 109 3 2 18 Rear and Cut Sheet Paper Feed Sensor Levers 110 3 2 19 Platen Assembly 111 3 2 20 Pa...

Страница 6: ...minary Checks 146 4 4 02 Problem Categories 147 4 4 03 Start Here Flowchart 148 4 4 04 Tips for Preventing Image Problems 149 4 4 05 Common Problems 150 4 5 Abnormal Output Output Samples 151 Left Margin Drifting Problem 152 4 6 Fault Alarms 153 4 6 02 Alarm LED Display Troubleshooting Table Index 154 4 6 03 Alarm LED Display Troubleshooting Tables 155 4 7 Repair Analysis Procedures RAPs 156 4 7 0...

Страница 7: ...iagram 183 A 2 01 Main Controller Board AKGI 184 A 2 02 Operator Panel Board LEOP 185 A 2 03 Power Supply Assembly 186 A 2 04 Space Motor Board 187 A 2 05 RS232 C Serial Interface Board LXHI Option 188 B Illustrated Parts Listing General Information 189 B 1 02 Definition of Terms 190 B 1 03 Parts Ordering Information 191 B 2 Charts 192 Board Overview 193 B 2 01 Printer 194 B 2 02 Upper Cover Assem...

Страница 8: ... Industry Company Ltd MICROLINE is a registered trademark of Oki Electric Industry Company Ltd marque depose de Oki Electric Industry Company Ltd OkiSmart Paper Handling is a trademark of Oki Electric Industry Company Inc PLUG n PRINT is a registered trademark of Oki America Inc marque deposee de Oki America Inc Bitstream is a registered trademark of Bitstream Incorporated Epson is a registered tr...

Страница 9: ...301 Second Revision March 1993 Third Revision August 1993 Second Edition April 1994 P N 59256302 Fourth Revision April 1994 Third Edition November 1994 P N 59256303 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 10: ...t Feeder Pull Tractor and Serial Interface Board The Microline 590 is an 80 column printer The Microline 591 is a 132 column printer Okidata s extended two year limited warranty covers the parts labor and printhead on both printers The following items are included with the printer OKISMART Typer software which provides the flexibility for the Microline 590 591 to function like a typewriter on chec...

Страница 11: ...inches 438 millimeters Height 6 52 inches 165 millimeters Microline 591 Width 24 41 inches 620 millimeters Depth 17 24 inches 438 millimeters Height 6 52 inches 165 millimeters 1 2 02 Printer Weight Microline 590 16 5 pounds 6 5 kilograms Microline 591 19 8 pounds 8 9 kilograms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for ...

Страница 12: ...VAC 5 5 15 230 240 VAC 10 14 1 3 02 Power Consumption Operating 110 VA Idle 40 VA 1 3 03 Power Frequency 120 VAC 60 Hz 2 230 240 VAC 50 60 Hz 2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 13: ... 000 feet 3 050 meters 1 4 03 Ambient Temperature and Relative Humidity RH While operating 41 to 104 F 5 to 40 C Operating humidity 20 to 80 RH While in storage 14 to 122 F 10 to 50 C Storage humidity 5 to 95 RH Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 14: ...andard No 1950 CSA No CSA Standard 22 2 950 FCC FCC Certified per Part 15 Subject J Class B IEC IEC 950 VDE VDE 0805 VDE 0875 Class B BS BS 7002 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 15: ... Print Speed at Different CPI for the ML 590 Mode CPI CPS Horiz DPI Vert DPI IPS Utility 10 300 120 180 30 12 360 120 180 30 15 450 120 180 30 17 1 257 240 180 15 20 300 240 180 15 LQ 10 100 360 180 10 12 120 360 180 10 15 150 360 180 10 17 1 171 360 180 10 20 200 360 180 10 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 16: ... 164 65 96 12 161 65 120 15 148 65 136 17 1 96 65 160 20 95 65 Microline 591 Characters Per Line Characters Per Inch Utility Letter Quality 136 10 105 40 163 12 96 40 204 15 88 40 233 17 1 59 40 272 20 59 40 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 17: ... Product Specifications 1 6 03 Character Pitches 5 6 8 5 10 12 15 17 1 20 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 18: ...All Characters Foreign Character Substitution International Character Sets Code Page 850 860 863 and 865 Bar Code Code 39 UPC A UPC E EAN 8 EAN 13 Interleaved 2 of 5 Code 128 POSTNET Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 19: ... 6 05 Printer Emulations Note The emulations are co resident Epson LQ IBM XL 24E AGM IBM Proprinter Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 20: ...c Prestige Orator Roman Swiss Draft Utility High Speed Draft 15 cpi Bar Code Code 39 UPC A UPC E EAN 8 EAN 13 Interleaved 2 of 5 Code 128 POSTNET Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 21: ...lect Micro Feed Up Down Menu Mode Paper Park Line Feed Pitch Selection Form Feed Print Quality Selection Top of Form Tear Quiet Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 22: ...Specifications 1 6 08 Graphics Resolution Graphics Resolution 360 x 360 DPI maximum Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 23: ...duct Specifications 1 6 09 Interface Standard Parallel Optional RS232C Serial Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 24: ...ch lpi 0 167 inch 4 23 millimeters 8 lines per inch lpi 0 125 inch 3 175 millimeters Variable n 60 inch n 72 inch n 180 inch n 216 inch n 360 inch Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 25: ...65 milliseconds 6 lines per inch lpi 6 milliseconds 8 lines per inch lpi 1 second 5 0 inches Continuous paper feed rate Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 26: ...nts the entire menu Group Selects Group Function Item Selects Item Set Selects Item Value Exit Exits Menu Mode Enters Select Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 27: ... Top Rear Push Tractor Rear Optional Pull Tractor Bottom Bottom Push Tractor Bottom Single Bin Cut Sheet Feeder Top CSF 5000 Narrow CSF 5001 Wide Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 28: ...rd Rear Feed Standard Bottom Feed by using an Optional feed mechanism Special Features Paper Park Automatic Paper Loading Forms Tear Off Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 29: ...cations 1 6 15 Paper Loading Auto Loading Top Feed Press LOAD switch for Bottom Rear Feed Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 30: ...tion Distance from end of paper Rear Feed 0 5 inches 12 7 mm Bottom Feed 0 5 inches 12 7 mm Top Feed 0 5 inches 12 7 mm Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 31: ... Tear Capabilities Forms Tear 0ff sharp edge on access cover Metal Tear Bar with optional bottom tractor unit Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 32: ...lsius the printer stops bi directional printing Uni directional printing begins If the temperature exceeds 115 degrees Celsius printing stops Printing will resume when the printhead temperature drops below 115 degrees Celsius Note Refer to Section Two for more information on printhead operation Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner ...

Страница 33: ...ly dark 3 Gap Control This is a MENU ITEM in each Paper Feed Group The Groups are REAR FEED BOTTOM FEED and TOP FEED Gap Control determines how the printhead gap is set The settings are listed below Auto Gap Semi Auto Gap 1 2 3 4 5 6 7 8 9 An explanation of each setting follows Auto Gap This is the factory default Automatically determines paper thickness of the first page During single sheet feed ...

Страница 34: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 35: ...duct Specifications 1 6 19 Print Modes Letter Quality Utility High Speed Draft Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 36: ...peed and Character Matrix Mode LQ Utility High Speed Draft Speed 120 12 cpi 360 12 cpi 450 15 cpi Matrix H x V 29 x 18 9 x 17 7 x 17 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 37: ...2 lb 38 to 45 g m2 Carbon 9 lb 35 g m2 Width Microline 590 3 5 to 10 5 inches 8 8 to 26 6 centimeters Microline 591 3 5 to 16 5 inches 8 8 to 41 9 centimeters Length 3 to 17 inches 7 62 to 43 18 centimeters Thickness 0 014 inches 0 36 millimeters Rear Feed 0 017 inches 0 44 millimeters Bottom Feed Paper Feed Path Rear or Bottom Printhead Gap Information Refer to the Printhead Gap Information Secti...

Страница 38: ...ay mar the transparency under high temperature high humidity conditions Weight 12 to 24 lbs 45 to 90 g m2 Width Microline 590 7 2 to 8 5 inches 18 2 to 21 5 centimeters Microline 591 7 2 to 14 3 inches 18 2 to 36 3 centimeters Length 3 to 17 inches 7 62 to 43 18 centimeters Thickness 0 14 inches 0 36 millimeters Paper Feed Path Top Printhead Gap Information Refer to the Printhead Gap Information S...

Страница 39: ... inches 8 8 centimeters Maximum 10 5 inches 26 6 centimeters Microline 591 Minimum 3 5 inches 8 8 centimeters Maximum 16 5 inches 41 9 centimeters Printing Area Microline 590 8 inches Maximum Microline 591 13 6 inches Maximum Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 40: ...located on main control board 05C 1 Mbit Printer Control EPROM located on main control board 05D New Configuration 4 Mbit located on main control board 05D 1 8 03 RAM Receive Buffer Size is selected through the Menu Settings are 64 K 32 K 1 line Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http...

Страница 41: ...olor Ribbon Magenta Yellow Cyan Black Life On average at 10 characters per inch Utility Mode Black Ribbon 4 million characters Color Ribbon Magenta 1 5 million characters Yellow 0 8 million characters Cyan 1 5 million characters Black 1 5 million characters Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this m...

Страница 42: ...it Color Ribbon Kit Bottom Push Tractor Serial Interface Roll Paper Stand Bitstream Facelift 2 0 OKIsmart Typer Utility OKIsmart Panel Utility Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 43: ... 25 6 cm to 35 6 cm Capacity 170 sheets 16 lb 100 sheets 20 lb The CSF 5001 is a wide feeder for the Microline 591 Single Bin with envelope capability Paper Width 7 2 to 14 3 18 3 cm to 36 3 cm Paper Length 10 1 to 14 25 6 cm to 35 6 cm Capacity 170 sheets 16 lb 100 sheets 20 lb Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Страница 44: ... for the Microline 590 The Pull Tractor Kit P N 70023201 is a wide feeder for the Microline 591 Bottom Feed Rear Feed For Push Pull Operation Paper Types Continuous Feed and Labels Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 45: ...ations 1 10 03 Color Ribbon Kit Includes Color mechanism Color Ribbon End user installable Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 46: ...row feeder for the Microline 590 The Bottom Push Tractor Kit P N 70023101 is a wide feeder for the Microline 591 Bottom Feed Paper Type Continuous Feed Includes Stand and Metal Tear B Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 47: ... Super Speed 19 2K RS 232C Ready Busy X On X Off Protocols Can be configured through the Menu or OKISmart Utility Program Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 48: ...dapts printer for use with roll type paper Model 590 only Includes Stand Support Cord and DIN plug for connection to printer Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 49: ...cations 1 10 07 Bitstream Facelift 2 0 For Windows 3 0 and 3 1 Includes 14 scalable fonts Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 50: ...Smart Typer Utility Packaged with printer Includes Typewriter Mode Form Creation Utility and Barcode Utility Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 51: ...Drivers for Windows 3 0 3 1 Note The OkiSmart software includes three programs 1 OkiSmart Control 2 OkiSmart Panel Emulator 3 OkiSmart Setup Refer to the Printer Handbook for more information Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 52: ... 200 million characters in 10 cpi utility mode normal 25 duty 35 page density 1 11 05 Ribbon Life Black Approximately 4 million characters Color Black Approximately 1 5 million characters Cyan Approximately 1 5 million characters Magenta Approximately 1 5 million characters Yellow Approximately 0 8 million characters 1 11 06 Warranty Limited Two years parts and labor 1 11 07 Service Authorized Oki...

Страница 53: ...he printers is made of the following electrical components Main Control Board Power Supply Assembly Operator Panel Space Motor Line Feed Motor Printhead Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 54: ...rinthead is supplied by the power supply assembly through the connectors on the main control board Microprocessor MPU Location 04D 67X640 16 bit MPU using CMOS technology The MPU contains a 20 bit address bus a 16 bit data bus The MPU can access 1 Mbyte of program memory space and 1 Mbyte of data memory space The microprocessor controls the entire printer by executing the control program through t...

Страница 55: ...ide ML590 ML591 Chapter 2 Principles of Operation Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 56: ...he printer The MPU executes the instructions contained in this program The Program ROM is assigned to the program memory area of the MPU and instructions are fetched by the PSEN signal of the MPU Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 57: ... RAM is CMOS dynamic RAM with 65 536 words x 16 bit configuration and is used as a receive buffer print buffer and work buffer Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 58: ...t masked EPROM contains the character data for the various fonts The CG ROM is assigned to the program memory area of the MPU The data is accessed by the PSEN signal of the MPU Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 59: ...OM is a CMOS serial I O type memory which is capable of electrically erasing and writing 1 024 bits The EEPROM contains the menu data and the head drive time correction data Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 60: ...tor drive phase Transmits and receives serial data to and from the printhead based on the dot timing which is derived from the space motor speed Controls the external interface The LSI is connected to the MPU Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 61: ...the Reset circuit to reset the MPU and LSIs The program is executed and the LSIs are reset by the MPU via IORST N Note A Reset operation initiated by I PRIME does not reset the MPU The program sets the LSI 02D mode checks the memory ROM RAM then executes carriage homing and determines the phase of the line feed motor Finally the program establishes the interface signals P I F ACK P signal sending ...

Страница 62: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 63: ...lso outputs the RXD N signal to inform the MPU of data reception The data is read upon receiving the RD N signal from the MPU When the data processing is complete the BUSY N signal is disabled and the ACK N signal is sent to request the next data When the buffer is full and reception is not desired the BUSY signal is sent to request data transmission be stopped Copyright 1997 Okidata Division of O...

Страница 64: ...ata is printed the sensor analog circuit controlling each pin returns the pin stroke data to the MPU The MPU will make an automatic head gap adjustment This feedback system sets the optimum drive time for each pin in order to maintain high print quality Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this mater...

Страница 65: ...of the printhead The printhead returns serial data from the printhead sensor analog circuit to the LSI This information is used to determine the optimum drive time for the next print request The logic circuit of the printhead signals the LSI if a parity error is detected in the print data Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchan...

Страница 66: ...sor analog circuit The Gap Adjust LSI then sets the optimum printhead gap for the printing medium Note Refer to Section 2 2 03 for a description of the mechanical process All values in the chart are in millimeters Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 67: ...ntrol The printhead compensates for the shape of the platen as shown below Note Refer to Section 2 1 08 Head Drive Time Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 68: ...SM79V035 generates the space motor and the line feed motor control signals according to commands received from the MPU These signals are sent to the SP LF motor driver Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 69: ...based on the phase changeover data output from the LSI The serial data from the LSI 02D MSM79V035 is processed by a register contained in the SP LF motor driver to measure the overdrive time and to change the phase Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 70: ...e MPU can identify the current speed of the space motor by measuring the pulse width of the output Phase A Phase B of the encoder disk sensor After comparing the target speed for each print mode with the actual speed the motor is accelerated or decelerated to maintain the desired speed for each print mode Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busine...

Страница 71: ...B are generated The LSI Location 02D MSM79V035 divides these edge pulse signals the frequency division is based on the selected print pitch to generate the signal IPT The IPT signal provides dot on timing and carriage position detection timing Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http b...

Страница 72: ...BUS148S The Serial I O Port also outputs LED data to the operation panel control LSI A two byte 15 bits 1 parity bit even parity command OPTXD is transmitted from the MPU to the operation panel LSI in synchronization with the OPCLK signal Once the LSI decodes the command the command must pass a command code check and have no parity errors Then the specified I O control will return the two byte com...

Страница 73: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 74: ...t R670 and C15 and the POWER OFF P signal is output by the comparator Location 01A IC2901 when driven for more than the specified time This signal becomes the ALM signal The ALM signal is sent to the power supply board and causes the DC voltages to be turned off Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to t...

Страница 75: ...f the voltage drop of the POWLEV signal By monitoring the voltage drop every 500 microseconds the MPU is able to control and maintain the impact necessary for each printhead pin Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 76: ... Relative Print Speed 34 vdc or greater 1 100 32 vdc to 34 vdc 1 Approximately 85 30 vdc to 32 vdc 1 Approximately 50 30 vdc or less 2 Less than 50 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 77: ... port to control the pass number and print method unidirectional bi directional at each of seven levels If the printhead temperature exceeds 110 degrees Celsius the printer will switch to unidirectional print If the temperature exceeds 115 degrees Celsius printing will stop Once the printhead cools printing will resume Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the ...

Страница 78: ...ge comparator IC 8 vdc Serial interface line voltage 12 vdc Printhead analog circuit 40 vdc Printhead space motor and line feed motor drive voltage ALM Output from the main control board upon detection of an abnormality in the printhead head gap or color ribbon drive circuits This signal will cause all DC voltages to be turned off Copyright 1997 Okidata Division of OKI America Inc All rights reser...

Страница 79: ... of the printer Spacing Mechanism Head Gap Mechanism Ribbon Drive Mechanism Line Feed Mechanism Paper Detect Mechanism Support Protector Mechanism Automatic Paper Load Paper Park Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 80: ... It is attached to the carriage which moves parallel to the platen Electrically the printhead is controlled by the main control board via the carriage cable and the space motor Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 81: ...nthead Note The printhead coil resistance values ARE NOT LISTED The individual print wire control lines CANNOT be accessed on this printhead Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 82: ...ation Line Feed Motor Resistance The resistance of each coil should be approximately 13 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 83: ...peration Space Motor Resistance The resistance of each coil should be approximately 5 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 84: ...The analog sensor element monitors all of the pins The difference in pin stroke due to the curvature of the platen is compensated for at the logic control section of the printhead and is not transferred to the MPU After the character has been printed the permanent magnet attracts the armature and the print wires are retracted into the wire guide Two thermistors are used to monitor the printhead te...

Страница 85: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 86: ... the printhead and space motor moves along the carriage shaft parallel to the platen When the space motor rotates the driving force is transmitted to the motor gear As the motor gear rotates the carriage moves along the platen For every revolution of the DC servo motor the carriage frame moves 0 8 inch 20 32 mm As the DC servo motor rotates a slotted disk called the encoder disk passes between a l...

Страница 87: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 88: ... signal causes the armature which is holding the change gear to be attracted to the pranger magnet The gap reset spring can now push the change gear so it contacts the gap change gear The rotation of the gap change gear causes idle gear D to turn the adjust gear The adjust gear turns the adjusting screw resulting in a new head gap setting Note As the adjusting screw turns counter clockwise the gap...

Страница 89: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 90: ... loop ribbon with uni directional feed is used Ink is supplied from an ink tank which is built into the ribbon cartridge When the space motor turns the ribbon gear on the spacing motor shaft rotates The rotation is transmitted via a combination of gears from the ribbon drive gear assembly to the drive gear in the ribbon cartridge Although the space motor moves in both the forward and reverse direc...

Страница 91: ...Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 92: ...ift unit When the color P signal from the main control board activates the pranger magnet the magnet attracts the armature This causes the reset spring to force the change gear downward The color idle gear rotates the change gear which turns the color change gear The color change gear turns the color cam shaft The rotation of the color cam shaft moves the color ribbon holder up down to select the ...

Страница 93: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 94: ...paper path Components of the paper feed mechanism are listed below Line Feed Motor pulse motor with Gears Line Feed Idler Gear Platen Rear Tractor Feed Unit Pressure Roller Change Lever Paper Path Selection Lever The change lever is used to select one of three different paper paths top rear or bottom Paper Clamp Mechanism Moving the Change Lever between the Bottom Top and Rear positions changes th...

Страница 95: ... open or close Position of Change Lever Status of Front Pressure Roller Tension of Front Pressure Roller Status of Rear Pressure Roller Tension of Rear Pressure Roller Bottom OPEN N A OPEN N A Top CLOSED 250 g CLOSED 700 g Rear CLOSED 90 g OPEN N A Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material h...

Страница 96: ... the printer in the cut sheet mode When cut sheet paper is placed between the platen and the paper chute the printer automatically feeds the sheet to the print start position Rear Bottom Feed for continuous feed paper When the continuous feed paper is used either with the rear tractor optional bottom tractor or optional pull tractor place the change lever in the Rear Bottom Feed position When the ...

Страница 97: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 98: ...ine feed idler gear platen gear to the platen When using cut sheet paper the change lever must be in the TOP position so the platen and pressure rollers can feed the paper This also disengages the push tractor Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 99: ...r is transferred to the tractor gear from the platen gear the idler gear and the change gear The tractor gear drives the pin tractor belts which feed the continuous paper Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 100: ...nit is installed As the platen rotates power is transferred to the drive gear from the LF idler gear the platen gear idler gear B and idler gear A The drive gear turns the pull tractor assembly which feed the continuous paper Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 101: ...rred to the drive gear from the platen gear the idle gear and the tractor change gear The drive gear turns the pin tractor belts on the bottom tractor feed unit to feed the continuous paper Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 102: ...is mechanism consists of an optional pull tractor and a standard push tractor mechanism Continuous paper is fed by these two tractors at the same time Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 103: ...the rear push tractor Point B is pushed backward rotating Paper Near End Lever A As Paper Near End Lever A rotates it contacts the Rear Sensor Lever rotating it The Rear Sensor Lever rotates unblocking the Rear Top Paper End Sensor Bottom Feed Detection When the paper is fed from the bottom of the printer Point C is pushed rotating the Bottom Paper End Lever As the Bottom Paper End Lever rotates i...

Страница 104: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 105: ...t protector reset spring pushes the support protector toward the center of the platen With the support protector in this position the ribbon protector and the support protector prevent the leading edge of the paper from curling or folding Once the paper is ejected the printhead slowly moves towards the left bracket The support protector is latched in the stored position when it is pushed to approx...

Страница 106: ...n the change lever is in the TOP FEED position the cut sheet detection lever contacts the cut sheet detection switch BASW which is located on the main control board Insert the sheet of paper between the platen and the paper chute Once paper is detected at the paper end sensor and the amount of time selected on the Wait Time setting of the menu has lapsed the line feed motor will feed the paper unt...

Страница 107: ...n switch BASW which is located on the main control board Place continuous feed paper in the appropriate tractor Press the FF LOAD switch The line feed motor will feed the paper until the leading edge of the paper to the top of form position Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx ...

Страница 108: ...n panel A reverse line feed operation retracts the paper until paper end occurs or 19 inches of paper have been retracted Note Retracting 19 inches of paper without detecting a paper end condition causes the line feed operation to stop The line feed operation stops because the printer assumes a jam has occurred The operator can press the SEL switch to reset the ALARM LED and press the PARK switch ...

Страница 109: ... procedures in Section Four of this Service Handbook Follow the procedures listed in Adjustments and Service Settings Adjustments may be required when either consumable or parts are replaced Failure to perform these procedures could result in unnecessary service calls Proper performance of maintenance and cleaning will help to achieve the best possible print quality from the printer Copyright 1997...

Страница 110: ...r Needle Nose Pliers 4 Inch Wire Cutters Digital Multimeter Feeler Gauge capable of measuring 014 inches Shop Vacuum Clean soft and lint free Cloth All Purpose Cleaner Contact Kleen Okidata P N 51802301 Platen Cleaner Machine Grease Machine Oil Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http ...

Страница 111: ...tached to the original positions 8 When handling circuit boards use extreme care Integrated circuits microprocessors ROM and RAM can be destroyed by static electricity 9 Do not place printed circuit boards directly on conductive surfaces 10 Follow the recommended procedures when replacing assemblies and units 11 Perform the printhead gap adjustment procedure Refer to Section 3 3 of this Service Ha...

Страница 112: ...hat the item is specific to the Microline 591 Both indicates that the item is common to both printers Part Description Item Comment Appendix B Number Reference This Service Handbook lists the disassembly procedures for major components of the unit Okidata DOES NOT recommend disassembling a unit which is operating normally If you decide to perform disassembly during this training Okidata recommends...

Страница 113: ...d 2 3 Detach the AC power cord 3 4 Detach the interface cable if installed 4 P N 56609701 Cord AC RSPL Both B 2 02 P N 56624101 Cord AC 220V ML Series Right Angle Option RSPL Both B 2 02 P N 56624401 Cord AC 240V Option RSPL Both B 2 07 P N 70000803 Kit Parallel Interface Option Both B 2 07 Plug n Play Accessory P N 70012801 Kit RS232 C Serial Interface Option Both B 2 07 ...

Страница 114: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 115: ... the right and then rotate it up to release the printhead 3 5 Pull the printhead straight up to remove it NOTE Installation After installing the printhead check the printhead gap adjustment Refer to Section 3 3 of this Service Handbook P N 52106001 Ribbon Black Consumable Both B 2 09 P N 52106002 Ribbon Color Consumable Both B 2 09 P N 50707401 Clamp Head RSPL Both B 2 06 P N 50217201 Assembly Pri...

Страница 116: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 117: ... will break 1 Perform these procedures 3 2 01 3 2 02 2 Open the pull up roller cover 1 3 Use a straight slot screwdriver to release the extensions 2 from the carriage frame set 3 4 Lift the ribbon protector 4 straight up and remove it P N 53562801 Protector Ribbon RSPL Both B 2 06 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX f...

Страница 118: ...Perform these procedures 3 2 01 3 2 02 2 Use a straight slot screwdriver to release the four claws 1 of the gear case assembly 2 3 Lift and remove the gear case assembly NOTE Lubrication When lubricating refer to Section 3 5 of this Service Handbook P N 51228501 Gear Case Assembly RSPL Both B 2 06 ...

Страница 119: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 120: ...ure 3 2 01 2 Open the access cover 1 3 Open the cover of the pull up roller assembly 2 4 Press at A while rotating the assembly towards the back of the printer 5 Remove the assembly NOTE Lubrication When lubricating refer to Section 3 5 of this Service Handbook P N 53341501 Roller Pull Up Assembly Narrow RSPL 590 B 2 04 ...

Страница 121: ...Roller Pull Up Assembly Wide RSPL 591 B 2 04 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 122: ...e frame 5 Raise the front side of the upper cover assembly 6 Tilt the upper cover assembly toward the rear to disengage the claws not shown at the rear of the frame 7 Lift the upper cover assembly and remove it CAUTION Do not rotate the access cover past the vertical when removing it or you will break the tab extensions 8 Raise the access cover assembly 5 until it is vertical then lift it straight...

Страница 123: ...3067001 Cover Upper Wide RSPL 591 B 2 01 P N 53067101 Cover Access Narrow RSPL 590 B 2 01 P N 53067201 Cover Access Wide RSPL 591 B 2 01 P N 53067301 Cover B for card slot RSPL Both B 2 02 P N 53562601 Knob Platen ML500 Series RSPL Both B 2 02 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http b...

Страница 124: ...ors CN7 operator panel 4 CN8 carriage cable 5 CN3 power supply 6 and CN6 line feed motor 7 6 Remove the board NOTE Installation The bottom sensor lever must be positioned in the SNS3 sensor 8 The rear sensor lever must be positioned in the SNS1 sensor 9 The cut sheet continuous sensor lever must be positioned below the BASW sensor 10 The lever should contact the sensor only when the change lever i...

Страница 125: ...L Both B 2 02 P N 55938301 IC EEPROM BR93CC46A RSPL Both B 2 02 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 126: ...4 Remove the cable 6 5 Release the tab and remove the cover 7 6 Remove the screw 8 and detach the ground cable 9 7 Lift the AC inlet 10 and the AC switch 11 from the main frame 12 8 Remove the two screws 13 9 Slide the power supply in the direction of arrow A to clear the claws of the base frame 10 Lift and remove the power supply assembly NOTE The 5 amp fuse is on the end of the board facing the ...

Страница 127: ...30 240V Option RSPL Both B 2 02 P N 56412101 Power Supply 120V RSPL 590 B 2 02 P N 56412102 Power Supply 120V RSPL 591 B 2 02 P N 56412201 Power Supply 230 240V Option RSPL 590 B 2 02 07 P N 56412202 Power Supply 230 240V Option RSPL 591 B 2 02 07 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material ht...

Страница 128: ...res 3 2 01 3 2 06 3 2 07 1 Cut the nylon tie and release the cable Not shown 2 Disengage the claws 1 on both sides of the frame 3 Lift the operator panel assembly 2 straight up and remove it 4 Open eight claws 3 and remove the operator panel PCB LEOP 4 from the operator panel 5 P N 53562701 Panel Operator RSPL Both B 2 02 ...

Страница 129: ...1 PCB LEOP Operator Panel RSPL Both B 2 02 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 130: ...ctor 1 Perform these procedures 3 2 01 3 2 02 3 2 04 2 Remove the two screws 1 3 Remove the PC connector 2 NOTE Installation Do not touch the contacts of the PC connector Do not touch the contacts of the space motor 3 Cleaning When cleaning refer to Section 3 4 of this Service Handbook ...

Страница 131: ...9601 Connector PC HD40 RSPL Both B 2 06 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 132: ...he space motor assembly 7 Remove the space motor assembly NOTE The guide roller assembly includes the guide roller 8 the guide roller holder 9 and the pin 10 Installation Position the guide roller assembly first The contact side of the cable faces down when the carriage cable is inserted into the connector on the space motor assembly Work the cable from side to side until it is fully seated in the...

Страница 133: ...h B 2 06 P N 53343301 Guide Roller Assembly Both B 2 06 P N 53341901 Roller Guide RSPL Both B 2 06 P N 53342001 Holder Guide Roller RSPL Both B 2 06 P N N APin Both B 2 06 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 134: ...d the projection on the main frame 3 3 Remove the carriage cable NOTE Installation The contacts on the cable face up when the cable is positioned on the main frame The cable end with the 45 angled contacts connects to the gear case assembly DO NOT sharply bend the carriage cable You will slightly bow the cable to position it under the claws and over the projection P N 56627301 Cable Carriage Narro...

Страница 135: ...302 Cable Carriage Wide RSPL 591 B 2 06 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 136: ...rocedures 3 2 01 3 2 02 3 2 04 3 2 10 3 2 11 2 Remove the spring 1 3 Disengage the claws 2 on the both ends of the space rack 3 4 Pull the space rack straight up and remove it NOTE Installation After installing the space rack check the printhead gap adjustment Refer to Section 3 3 of this Service Handbook ...

Страница 137: ...umulates on the space rack printing problems will occur P N 50923501 Spring Tension Space Rack RSPL Both B 2 03 P N 53563301 Rack Space Narrow RSPL 590 B 2 03 P N 53563401 Rack Space Wide RSPL 591 B 2 03 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 138: ...backup roller holder spring 1 from the carriage frame 2 3 Remove the roller holder backup assembly 3 NOTE The roller holder backup assembly includes the backup roller 4 the backup roller holder 5 and the pin 6 P N 53343201 Assembly Roller Holder Backup Both B 2 06 P N 53341701 Roller Back Up RSPL Both B 2 06 P N 53341801 Holder Back Up Roller RSPL Both B 2 06 P N N A Pin Both B 2 06 P N N A Backup...

Страница 139: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 140: ... of arrow A as far as possible 3 Pull the cam out and remove it 4 Carefully press the claw 2 location only in the base frame down to release the guide rail 3 Do not press too hard or the claw will break 5 Use a straight slot screwdriver to slide the guide rail in direction of arrow A 6 Lift the guide at position B and work the other end of the guide free to remove the guide rail 7 Remove the groun...

Страница 141: ... Guide Rail Ground Clip RSPL Both B 2 03 P N 51009801 Guide Rail Narrow RSPL 590 B 2 03 P N 51009901 Guide Rail Wide RSPL 591 B 2 03 P N 53067701 Cam Adjust RSPL Both B 2 03 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 142: ...3 2 07 2 Cut the nylon tie and release the cable Not shown 3 Work the left ground plate 1 up and then out to remove it P N 51010301 Plate Left Ground RSPL Both B 2 03 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 143: ...om the claws of the base frame You may have to use a screwdriver to work the plate tabs free 3 Lift the plate and remove it NOTE Installation The plate must be securely seated under the claws P N 51010201 Plate Right Ground RSPL Both B 2 04 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx ...

Страница 144: ...at the top then work the lever free 3 Remove the lever 4 Turn the rear feed paper sensor lever 2 until the flag is at the top then work the lever free 5 Remove the lever P N 50804902 Lever Sensor RSPL Both B 2 03 Cut Sheet Continuous P N 50804801 Lever Rear Sensor RSPL Both B 2 03 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX f...

Страница 145: ...se procedures 3 2 01 3 2 06 2 Move the change lever 1 to the bottom feed position to the rear of the printer 3 Push the lock levers 2 in then rotate them towards the front to unlock them from the frame 4 The levers should be vertical 5 Lift the platen assembly 3 straight up and remove it NOTE Installation ...

Страница 146: ...his Service Handbook Lubrication When lubricating refer to Section 3 5 of this Service Handbook P N 50098301 Platen Assembly Narrow RSPL 590 B 2 04 P N 50098302 Platen Assembly Wide RSPL 591 B 2 04 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 147: ...1 3 2 06 3 2 19 2 Remove the rear pressure roller 1 3 Use a straight slot screwdriver to release the claws of the lock spring 2 and remove the spring 4 Remove the paper chute assembly 3 NOTE The paper chute assembly includes the levers for the rear and top paper feed paths P N 53341301 Roller Pressure Rear Narrow RSPL 590 B 2 05 ...

Страница 148: ...Both B 2 05 P N 50097701 Paper Chute Assembly N RSPL 590 B 2 05 P N 50097801 Paper Chute Assembly W RSPL 591 B 2 05 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 149: ...sembly 3 2 21 Line Feed Motor Assembly 1 Perform these procedures 3 2 01 3 2 06 3 2 07 3 2 16 3 2 20 2 Firmly press down on the line feed motor assembly 1 while tilting the assembly out 3 Remove the line feed motor assembly 4 Remove the line feed connection cord 2 ...

Страница 150: ...be installed P N 51228401 Gear Line Feed Idle RSPL Both B 2 03 P N 56510301 Motor Line Feed Assembly RSPL Both B 2 03 P N 56627201 Cord Connection Line Feed RSPL Both B 2 03 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 151: ...sure will release the spring not brute force 1 Perform these procedures 3 2 01 3 2 06 3 2 17 2 Place the right side of the unit over the edge of your work surface You must be able to access the bottom of the unit You will be working underneath and above the reset spring 1 at the same time 3 Reach from underneath the unit and press up at the extension A to free the spring from the claw 4 While pres...

Страница 152: ...923201 Spring Reset RSPL Both B 2 04 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 153: ...le Gear and Change Lever 1 Perform these procedures 3 2 01 3 2 06 3 2 07 3 2 16 3 2 17 3 2 19 3 2 20 3 2 22 2 Remove the idle gear 1 The idle gear is a large narrow gear 3 Release the claw 2 of the change lever 3 The claw is accessed from inside the unit 4 Remove the change lever ...

Страница 154: ...vice Handbook P N 50805101 Lever Change RSPL Both B 2 04 P N 51228201 Gear Idle RSPL Both B 2 04 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 155: ... 3 2 17 3 2 19 3 2 20 3 2 22 3 2 23 2 Turn the front release gear arm 1 until it is disengaged 3 Remove the release cam 2 This is the medium size thick cam 4 Work the end of the pressure spring 3 free and remove the spring 5 Remove the front release gear arm This arm is long with a serrated edge 6 Remove the switch lever 4 This is the small lever ...

Страница 156: ...be installed into the frame Make sure that the front release gear arm is engaged as shown A Lubrication When lubricating refer to Section 3 5 of this Service Handbook P N 50805201 Lever Switch RSPL Both B 2 05 P N 50805301 Cam Release RSPL Both B 2 04 P N 50923301 Spring Pressure Narrow RSPL 590 B 2 05 P N 50923401 Spring Pressure Wide RSPL 591 B 2 05 P N 51228301 Arm Front Release Gear RSPL Both ...

Страница 157: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 158: ...e when doing so The carriage cable should be detached from the space motor before removing the carriage shaft 1 Perform these procedures 3 2 01 3 2 06 3 2 07 3 2 16 2 Push the end A of the carriage shaft 1 until it clears the base frame 3 Pull the carriage shaft free of the base frame 4 Remove the support protect reset spring 2 5 Remove the support protector assembly 3 6 Remove the frame set carri...

Страница 159: ... this Service Handbook P N 50098901 Carriage Frame Set RSPL Both B 2 06 P N 50923601 Spring Support Protect Reset RSPL Both B 2 03 P N 53067601 Protector Support Assembly RSPL Both B 2 03 P N 53563501 Shaft Carriage Narrow RSPL 590 B 2 03 P N 53563502 Shaft Carriage Wide RSPL 591 B 2 03 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Страница 160: ... release the bottom extension 2 from the claw of the base frame 5 Pull the spring up to release the top of the spring from the upper claw 6 Repeat the above two steps working towards the opposite end of the spring 7 Remove the spring P N 50923001 Spring Leaf Narrow RSPL 590 B 2 03 P N 50923101 Spring Leaf Wide RSPL 591 B 2 03 Copyright 1997 Okidata Division of OKI America Inc All rights reserved S...

Страница 161: ...nderside of the unit release the claws of the paper pan 1 When you release a claw push on the claw to move the paper pan away from the main frame 3 Remove the pan 4 Rotate the bottom sensor lever 2 until the flag is at the top Then lift the lever and work it free of the frame to remove it This lever has a box end 5 Remove the bottom paper end lever 3 6 Work the front release gear shaft 4 free of t...

Страница 162: ...1 Lever Bottom Paper End RSPL Both B 2 03 P N 50804701 Lever Bottom Sensor RSPL Both B 2 03 P N 51227801 Shaft Front Release Gear Narrow RSPL 590 B 2 05 P N 51227901 Shaft Front Release Gear Wide RSPL 591 B 2 05 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 163: ...ese procedures 3 2 01 3 2 06 3 2 07 3 2 16 3 2 17 3 2 19 3 2 20 3 2 22 3 2 23 3 2 24 3 2 27 2 Separate the arms of the front roller holders 1 and remove the front pressure roller 2 3 Squeeze the extensions of the front roller holders together and remove the holders 4 Lift and remove the front pressure springs 3A and 3B ...

Страница 164: ... Section 3 5 of this Service Handbook P N 50922901 Spring Front Pressure Narrow RSPL 590 B 2 05 P N 50922801 Spring Front Pressure Wide RSPL 591 B 2 05 P N 53341101 Holder Front Roller RSPL Both B 2 05 P N 53341202 Roller Front Pressure RSPL Both B 2 05 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this mater...

Страница 165: ...w of the tractor gear 1 and remove the gear 3 Remove the change gear 2 4 Raise the lock levers 3 on the left 4 and right 5 tractor assemblies 5 Slide the lower tractor feed shaft 6 in the direction of arrow A and remove the shaft This shaft is square 6 Slide the upper tractor feed shaft 7 in the direction of arrow A and remove the shaft This shaft is round 7 Remove the left tractor assembly the gu...

Страница 166: ...direction The left tractor assembly must be positioned to the left line feed motor side of the plastic tab and ground plate Lubrication When lubricating refer to Section 3 5 of this Service Handbook P N 50097501 Tractor Assembly Narrow RSPL 590 B 2 05 P N 50097502 Tractor Assembly Wide RSPL 591 B 2 05 P N 51228001 Gear Change RSPL Both B 2 04 P N 51228101 Gear Tractor RSPL Both B 2 04 ...

Страница 167: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 168: ...must be carried out to reach the base frame 1 P N 53563101 Frame Main Narrow RSPL 590 B 2 03 4 5 P N 53563201 Frame Main Wide RSPL 591 B 2 03 4 5 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 169: ...e required when replacing either consumables or parts The disassembly assembly procedures list the required adjustments and refer you to this section Failure to perform these procedures may result in unnecessary service calls Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 170: ...of the top portion of the characters differ from that of the bottom portion follow steps 10 12 This adjustment is comprised of four phases Setup Phase Steps 1 6 The cover is removed and the printhead is placed at a known reference point Printhead Gap Modification Phase Steps 7 9 The distance between the printhead and the platen at the left side of the platen is modified by turning the adjust screw...

Страница 171: ...0 001 inch 0 35 0 03 mm 3 Use a large straightened paper clip Figure 1 B to push down on the adjust gear This will disengage the adjust gear from idle gear D 4 Use a small phillips screwdriver to turn the adjust screw Figure 1 C 5 Turning the screw CLOCKWISE will increase the printhead gap 6 Turning the screw COUNTERCLOCKWISE will decrease the gap 7 Slide the carriage assembly to the right side of...

Страница 172: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 173: ... LIMITED OPERATION QUIET FF LOAD R Hold during Power ON Reset Top of Form to Factory Default 1 inch QUIET R Hold during Power ON Activate Rolling ASCII Test LF R Hold during Power ON Activate Font Test SEL FF LOAD R Hold during Power ON Activate Hexadecimal Dump Test Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Страница 174: ...hat the width of the installed paper matches the paper width menu setting CAUTION If the Menu is set for wide paper and narrow paper is used the printhead will print on the platen This could damage destroy the printhead platen and ribbon 1 Press and hold the SHIFT switch while pressing the SEL switch 2 The MENU lamp will light If the printer was selected the SELECT lamp will light 3 When in Menu M...

Страница 175: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 176: ...s correctly installed 3 Verify that the width of the installed paper matches the paper width menu setting CAUTION If the Menu is set for wide paper and narrow paper is used the printhead will print on the platen This could damage destroy the printhead platen and ribbon 4 Press and hold the SHIFT switch while pressing the SEL switch 5 The MENU lamp will light If the printer was selected the SELECT ...

Страница 177: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 178: ...factory default settings 1 Before resetting the Menu Okidata STRONGLY RECOMMENDS printing the Menu 2 Printing the Menu provides a reference of customized settings 3 When the Menu is reset all customized settings are LOST 4 Power off the printer 5 Press and hold SEL and LF while powering ON the printer Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business P...

Страница 179: ...annot be accessed and the operator panel switches listed below are not active Print Quality Character Pitch 3 The Operator Panel Function item is frequently set to Limited Operation on networks or other areas where many users share a printer Limited Operation prevents the printer settings from being changed 4 This item cannot be changed through the OKISMART software However the print quality and c...

Страница 180: ...h menu setting CAUTION If the Menu is set for wide paper and narrow paper is used the printhead will print on the platen This could damage destroy the printhead platen and ribbon 4 Power off the printer 5 Press and hold the SEL switch while powering on the printer 6 The MENU lamp will light If the printer was selected the SELECT lamp will light 7 When in Menu Mode the functions printed below the o...

Страница 181: ... Emulation Mode IBM PPR IBM AGM Epson LQ Font Print Mode LQ Courier LQ Roman LQ Swiss LQ Swiss Bold LQ Orator LQ Gothic LQ Prestige Utility Pitch 10 12 15 17 1 20 cpi Proportional Spacing No Yes Style Normal Italic Size Single Double Symbol Sets Character Set Set I Set II Language Set American French German British Danish I Swedish Italian Spanish I Japanese Norwegian Danish II Spanish II Latin Am...

Страница 182: ...Auto Gap 1 2 3 4 5 6 7 8 9 Bottom Feed Line Spacing 6 8 LPI Form Tear Off Off 500 ms 1 sec 2 sec Skip Over Perforation No Yes Page Width 13 6 8 Page Length 11 11 2 3 12 14 17 3 3 5 4 5 5 6 7 8 8 5 Gap Control Auto Gap Semi Auto Gap 1 2 3 4 5 6 7 8 9 Top Feed Line Spacing 6 8 LPI Form Tear Off Off 500 ms 1 sec 2 sec Bottom Margin Valid Invalid Page Width 13 6 8 Page Length 11 11 2 3 12 14 17 3 3 5 ...

Страница 183: ...ne 32 K Paper Out Override No Yes Print Registration O 0 05mm Left 0 10mm Left 0 15mm Left 0 20mm Left 0 25mm Left 0 25mm Right 0 20mm Right 0 15mm Right 0 10mm Right 0 05mm Right Operator Panel Function Full Operation Limited Operation Reset Inhibit No Yes Print Suppress Effective Yes No Auto LF No Yes Auto CR No Yes SI Select Pitch 10 CPI 17 1 15 cpi SI Select Pitch 12 CPI 20 12 cpi Time Out Pri...

Страница 184: ...fer Print Buffer Clear Invalid Pin 18 5v Open Auto Feed XT Invalid Valid Serial I F Parity None Odd Even Serial Data 7 8 Bits 8 Bits 7 Bits Protocol Ready Busy X ON X OFF Diagnostic Test No Yes Busy Line SSD SSD DTR RTS Baud Rate 19200 9600 4800 2400 1200 600 300 bps DSR Signal Valid Invalid DTR Signal Ready on Power Up Ready on Select Busy Time 200 ms 1 sec CSF Bin 1 Line Spacing 6 LPI 8 LPI ...

Страница 185: ...ter emulation is selected Optional color ribbon must be installed to print colors other than black Appears only when Epson LQ emulation is selected Appears only when optional Serial Interface is installed Appears only when optional Cut Sheet Feeder is installed Factory default settings are printed in Bold The tables show all possible menu settings available with the Microline 590 591 What you will...

Страница 186: ... and hold the SHIFT switch while pressing the LF switch This will retract the paper in micro increments 4 This setting will be kept in memory until you power off the printer or until you change the setting 5 To maintain this setting in the printer s memory even when the printer is powered off press and hold the SHIFT switch while pressing the QUIET TOF switch 6 Press the SEL switch Reset the Top o...

Страница 187: ...ad the single sheet paper Procedure Single Sheet to Continuous Feed 1 Remove any single sheet pages from the printer 2 Lower the paper separator to the Continuous Forms position rear feed 3 Move the paper lever to the REAR or BOT position as appropriate 4 Lower the paper support 5 Press FORM FEED to load the continuous forms paper into the printer NOTE When the printer is set to a different paper ...

Страница 188: ...ting the printer 2 Tear Feature advances the paper from the initial printing position to the tear off position The top of the page perforation will be even with the tear bar The tear bar is located under the clear top of the access cover 3 Paper will remain in the tear off position until the printer receives data Then the paper is retracted to the initial print position 4 To activate the Tear Feat...

Страница 189: ... position 4 When printing stops the paper will advance to the tear off position NOTE If the software package being used pauses while sending data to the printer Forms Tear Off may be activated if it is enabled through the Menu The pause must be for two or more seconds No data is lost Uneven print registration will occur due to the paper movement If the problem occurs deactivate Forms Tear Off thro...

Страница 190: ...the printer receives data Then the paper will be retracted to the appropriate Top of Form position 5 A few seconds after printing stops the paper advances to the tear bar position Checking Top of Form with Form Tear Off Activated 1 Load paper 2 Press and hold TEAR When you release TEAR the paper will return to the tear off position 3 The paper will retract to the Top of Form position 4 Release TEA...

Страница 191: ...ar attention to the printhead area and the paper paths If the lubrication procedures are not performed properly the printer will require more frequent cleaning Excessive lubricant attracts dust and accumulations build up quickly Keeping the covers in place and performing the cleaning procedures correctly will help ensure the highest quality printer output Copyright 1997 Okidata Division of OKI Ame...

Страница 192: ... Schedule Routine inspection and cleaning should be performed every six months or every 300 hours of operating time Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 193: ... 3 4 03 Cleaning Tools Clean soft lint free cloth All purpose cleaner Vacuum cleaner Platen cleaner Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 194: ... carriage shaft 3 2 25 Vacuum Cloth and All purpose cleaner Space Rack 3 2 13 Vacuum Paper Paths N A Vacuum Cloth and All purpose cleaner Platen 3 2 19 Cloth and Platen cleaner Covers 3 2 06 Cloth and All purpose cleaner Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 195: ...quivalent Moly lube Grease or equivalent 3 5 04 Lubrication Amounts DO NOT over lubricate the printer Operational problems are caused by excess lubricant The excess lubricant causes dust to accumulate These accumulations can jam gears or cause print problems The Lubrication Table will direct you to use the following amounts of lubricant Medium Oil three to four drops Grease thin coating approximat...

Страница 196: ...ing 3 2 24 Grease Medium Bearing of Front Release Gear Arm 3 2 24 Grease Medium Carriage Shaft NOTE _ _ Place a small amount on the surface then wipe clean 3 2 25 Oil See NOTE Front Release Gear Shaft 3 2 27 Grease Medium Contact between Front Roller Holder and Front Pressure Roller 3 2 28 Oil Small Bearing of Tractor Gear 3 2 29 Grease Medium Contact between Lower Tractor Feed Shaft and Main Fram...

Страница 197: ... Circuit Board Electrical Contacts and Connections Space Rack Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 198: ...the materials from Step 1 3 6 02 All Other Returns CAUTION The product MUST be returned in the original packaging The product MUST be returned with ALL originally supplied factory items Be sure to secure the printhead so it will not move during shipment 1 Locate the original packaging or order replacement packaging from Okidata Refer to Appendix B 2 Locate the originally supplied factory items Ref...

Страница 199: ...rocedures RAPs Each RAP will ask you questions or require you to make observations The answers to these questions and the results of your observations determine your next course of action Use the RAP Index to identify which RAP should be used to resolve the problem with the machine Section 4 8 provides the procedures for various printer tests Section 4 9 lists the resistance check points Section 4...

Страница 200: ...serial number from the back of the printer Refer to the following to decode the serial number Example Printer Serial Number 401A0154693 Date Code 401 4 year 01 month Revision A Serial Number 0154693 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 201: ... is first released However Okidata wants to respond to these requests Okilink II provides round table discussions on technical problems Errors and corrections in the training materials are listed in the Training Section of Okilink II The Technical Service Bulletins also known as Okidata s Monthly Mail are available via Okilink II Situations that are NOT addressed in the reference documentation tec...

Страница 202: ...ician s Name Company Name Company s Address Street City State Province ZIP Postal Code Country Telephone and Fax Numbers with area country access codes Product Name Unit s Serial Number Firmware Revision Level Description of Problem Document Name with page number Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to ...

Страница 203: ... Refer to the Service Center Reference Guide for information on accessing Okilink II 4 3 03 Faxable Facts Okidata s Faxable Facts is an automated fax document retrieval system It is maintained by Okidata s Customer Information Center Answers to common questions about Okidata products are available through Faxable Facts Refer to the Service Center Reference Guide for information on accessing Faxabl...

Страница 204: ...en replaced as recommended 4 Has the ribbon been installed properly 5 Is an Okidata ribbon being used 6 Is the printhead gap correctly set 7 Is the firmware the latest current revision 8 Are the printer drivers being used correct for the printer 9 Is the printer driver being used the latest current release Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busin...

Страница 205: ...ves freely 5 Record the status of the ALARM PRINT QUALITY and CHARACTER PITCH Lamps 6 Refer to the Alarm Lamp Codes Table Section 4 6 7 Locate the error 8 Perform the designated corrective action Operational Errors An Operational Error is usually not accompanied by an ALARM Lamp Refer to the Start Here Flowchart Section 4 4 03 and perform the corrective action ALARM Lamp Lights Paper End Jam Condi...

Страница 206: ...r to Section 3 of the Service Handbook Is the output satisfactory No Refer to RAP 06 Yes Are all operator panel switches operating properly No Refer to RAP 09 Yes Has the problem been resolved Yes End of procedure No Does the parallel or serial interface port receive data from the host PC properly Yes End of procedure No Which port is not receiving data Parallel Refer to RAP 10 Serial Refer to RAP...

Страница 207: ... output is faded install a new ribbon then print another sample Make sure that the paper you are using is within specifications Paper specifications can be found in Section 1 of this Service Handbook Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 208: ...ocate it and install 4 Static electricity causes the paper to stick In cold dry weather static charges can build up on continuous form paper This can make the paper cling to the paper separator If you have this problem during high volume printing jobs try moving the single sheet paper guides on the separator together so that the paper rests on the guides rather than on the separator itself 5 The P...

Страница 209: ...de 8 There are vertical spacing problems when using continuous forms and Forms Tear Off The Microline 590 591 does not have a bail arm so pages do not feed as high as printers with bail arms The first page does not line up correctly Enter Menu Mode and disable Form Tear Off Exit Menu Mode Deselect the printer and set the paper position using the Micro Feed buttons hold SHIFT while pressing MICRO F...

Страница 210: ...odes enter the printer MENU hold down the SHIFT button while pressing SEL MENU button and change the Reset Inhibit item in the Setup Group to Yes Please note that while this will stop the reset code from resetting your printer other codes in the initialization string may still override the printer MENU and or front panel settings The I Prime signal is sent over the parallel interface pin31 and wil...

Страница 211: ...y that the headgap menu setting is appropriate for the type of paper being used 3 Check perform the printhead gap adjustment 4 Paper is not within specification Refer to Section One for paper specification Uneven Print Density Possible Causes 1 Printhead gap not within specification Perform the printhead gap adjustment 2 Defective platen Replace the platen Smeared Print Possible Causes ...

Страница 212: ...r specification Inconsistent Line Feed Possible Causes 1 Power OFF the printer Turn the platen knob The platen should rotate smoothly If it does not remove the cause of the binding 2 Defective line feed motor Replace the line feed motor Drifting Margin Possible Causes 1 Power OFF the printer Move the carriage assembly The carriage should move smoothly If it does not remove the cause of the binding...

Страница 213: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 214: ...l keep the space motor gear from fully engaging with the space rack This will result in slippage problems which will affect spacing operations 7 Check the printhead cable connections between the main control board and the space motor Solid contact MUST BE made at all connections or print problems will occur 8 Check the condition of the printhead cable If it is broken torn or sharply bent replace t...

Страница 215: ...eference Number in the column at the right side of the Troubleshooting Table Index directs you to the appropriate item in the Troubleshooting Tables Section 4 6 03 5 The Troubleshooting Tables will provide a Failure Description Probable Cause and Recommended Action 6 The Recommended Action will direct you to the actions listed below Follow a specific RAP Replace items in a listed order Copyright 1...

Страница 216: ...Numbers 25 and 26 use identical Operator Panel displays On F On Flashing ALARM UTIL PRO P PRE STIG E ORA TOR 10 12 15 17 20 SEL MEN U Ref ere nce On F On On 1 On F On On 2 On F On On 3 On F On On On 4 On F On On On 5 On F On On 6 On F On On On 7 On F On On On 8 On F On On On 9 On F On 10 On F On 11 On F On 12 On F On On 13 On F On On 14 ...

Страница 217: ...n F On On 20 On F On On 21 On On On On On 22 On On F On 23 On On F On 24 On F On F 25 On F On F 26 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 218: ...rm Self adjustment was not successful Check the printhead connection then replace the main control board carriage cable printhead 5 Printhead Data Transfer Alarm Printhead parity error Replace main control board carriage cable printhead 6 Printhead Type Alarm 9 pin printhead is connected in a 24 pin printer Replace the printhead with a 24 pin printhead 7 Printhead Connection Alarm 1 Drive current ...

Страница 219: ...ta Replace the main control board 15 Watchdog Timeout Alarm MPU hung up Power OFF then ON 16 NMI Signal Alarm NMI port of MPU kept low Replace the main control board 17 BRK Instruction Alarm FFFF data detected due to MPU hang up Replace the ROM on the main control board 18 MPU Internal RAM Alarm Read write error Replace the interface board 19 ROM alarm Check sum error Replace the interface board 2...

Страница 220: ...e exceeds 115 degrees Wait until the printhead cools The printer should resume printing If the problem persists replace the printhead replace the main board 26 Space Motor Thermal Alarm Temperature of space motor exceeds specified value Wait until the printhead cools The printer should resume printing If the problem persists replace the space motor then replace the main control board Copyright 199...

Страница 221: ...nthead Homing Error 4 Paper Jam During Paper Loading 5 Printhead Not Firing Pins 6 Poor Print Quality 7 Ribbon Feed Problem 8 Line Feed Problem 9 Operator Panel Malfunction 10 Parallel Interface Problem 11 Serial Interface Problem Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata co...

Страница 222: ...e RAP Index 2 Find the RAP which is associated with the printer s problem 3 Go to the appropriate RAP 4 All RAPs begin with a START statement followed by questions or another type of statement Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 223: ...ror 4 Paper Jam During Paper Loading 5 Printhead Not Firing Pins 6 Poor Print Quality 7 Ribbon Feed Problem 8 Line Feed Problem 9 Operator Panel Malfunction 10 Parallel Interface Problem 11 Serial Interface Problem Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 224: ...ng Is the problem resolved Yes End of procedure No Go to A B No Remove the cable from CN3 on the main control board Refer to Appendix A of this Service Handbook for voltage check points on CN3 of the main control board Check the output voltages of the secondary of the transformer Replace the following in the order listed below Check operation before replacing next item in list 1 Operation Panel 2 ...

Страница 225: ...No Replace the following in the order listed below Check operation before replacing next item in list 1 Ribbon Feed Mechanism 2 Carriage Cable 3 Main Control Board 4 PROM 05CA Has the problem been resolved Yes End of procedure No Contact Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this mat...

Страница 226: ...on to verify that the ribbon is not jammed 2 Remove the space motor assembly 3 Inspect the teeth on the space rack and the space motor gear 4 Go to A A Has the problem been resolved Yes End of procedure No Is the fuse F2 on the main control board open No Go to B Yes Replace the main control board Has the problem been resolved Yes End of procedure No Go to B B Verify that 40 volts is present on CN7...

Страница 227: ... the problem been resolved Yes End of procedure No Replace the PROM O5CA Has the problem been resolved Yes End of procedure No Contact Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 228: ...ove manually No Remove the space motor assembly and inspect the space motor and space rack for dirt and worn teeth Go to A Yes Are there any breaks in the carriage cable Yes Replace the carriage cable assembly Go to A No Verify that ribbon feed mechanism is properly fastened to the space motor assembly Go to A A Does the carriage move slightly to the left after turning the power on No Replace the ...

Страница 229: ...No Replace the space motor assembly Has the problem been resolved Yes End of procedure No Contact Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 230: ... see that it is closed properly Go to A 3 Paper squeezed from either end Check around the pressure roller mechanism Check the front pressure springs to see that they are mounted properly There are three springs in the Microline 590 and five springs in the Microline 591 Check the tension of all the front pressure rollers to see if they are the same Top springs 250 g Rear Springs 90 g Make sure that...

Страница 231: ...No Contact Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 232: ...been resolved Yes End of procedure No Replace the printhead Has the problem been resolved Yes End of procedure No Replace the main control board Has the problem been resolved Yes End of procedure No Replace the carriage cable Has the problem been resolved Yes End of procedure No Replace the space motor assembly Has the problem been resolved Yes End of procedure No Contact Technical Support Copyrig...

Страница 233: ...e No Check that the carriage cable is making good contact with the main control board and the carriage assembly Replace the cable if it is worn or bent Has the problem been resolved Yes End of procedure No Contact Technical Support B Adjust the print head gap See Section 3 of the Service Handbook Has the problem been resolved Yes End of procedure No Power ON the unit and view the head gap indicato...

Страница 234: ...Yes End of procedure No Go to C Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 235: ... Yes Change the ribbon cartridge End of procedure No Remove the ribbon feed mechanism Manually move the carriage left and right Does the space motor shaft rotate freely Yes Replace the ribbon feed mechanism End of procedure No Replace the space motor assembly Has the problem been resolved Yes End of procedure No Replace the main control board Has the problem been resolved Yes End of procedure No C...

Страница 236: ...ly End of procedure No Is the line feed idle gear broken Yes Replace the line feed motor assembly or the line feed idle gear End of procedure No Are the right platen gear idle gear and or change gear broken Yes Replace the respective assembly End of procedure No Set the change lever to the rear position Does the platen rotate smoothly Yes Replace the tractor feed assembly End of procedure No Check...

Страница 237: ...rd Has the problem been resolved Yes End of procedure No Contact Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 238: ...on the main control board Go to A No Check the F1 fuse on the main control board and the fuse on the power supply board Are they open Yes Replace the open fuse with one that has the proper rating Go to A No Replace the power supply unit Go to A A Has the problem been resolved Yes End of procedure No Replace the operation panel board Has the problem been resolved Yes End of procedure No Replace the...

Страница 239: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 240: ...not required End of procedure No Does the SEL LED light Yes Go to A No Press SEL key Has the problem been resolved No Disconnect the cable Does the SEL LED light Yes Change the menu item I prime to invalid No Go to A Yes Is data being received properly Yes End of procedure No Check that the cable is properly connected to the Host PC and the correct LPT port is selected Does the SEL LED light No Go...

Страница 241: ... Replace the main control board Has the problem been resolved Yes End of procedure No Contact Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 242: ... 6 of the Service Handbook Has the problem been resolved Yes End of procedure No Go to A No Check the following parameters for the RS232C baud rate bit length parity protocol busy signal and parity Has the problem been resolved Yes End of procedure No Go to A A Check the voltages on the main control board Is 10 VAC being supplied to the main control board Yes Replace the RS232C board Has the probl...

Страница 243: ...rol board Yes Replace the RS232C board Has the problem been resolved Yes End of procedure No Contact Technical Support No Replace the main control board Has the problem been resolved Yes End of procedure No Contact Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata ...

Страница 244: ... Hexadecimal Dump Mode 5 The Rolling ASCII and Font Tests check print operations 6 The Serial Interface Loopback Test checks the operation of the serial interface board 7 The Hexadecimal Dump Mode checks the data transfer between the computer and printer Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this mate...

Страница 245: ...call CAUTION Before running this test make sure that continuous feed paper is loaded If you are running this test on a Microline 591 use wide paper or have the page width set for 8 5 x 11 in the printer menu Running the test without paper loaded or having the wrong width paper loaded will allow the printhead to print on the platen This will dirty the platen cause excessive wear on the ribbon and m...

Страница 246: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 247: ...tion is often required while performing service or when contacting Okidata Have this test available during your service call CAUTION Running the test without paper loaded will allow the printhead to print on the platen This will dirty the platen cause excessive wear of the ribbon and may damage the platen ribbon and printhead Procedure Follow these steps to print the font test 1 Load the paper 2 P...

Страница 248: ...fer will be printed Three different messages may be printed next If the message OK is printed next the message buffer has been tested and no problems were found If the message BAD is printed next there is a problem with the message buffer If the message IF BAD is printed the signal logic was tested and a problem was found Hexadecimal characters 20 through 7F are transmitted through the transmit da...

Страница 249: ...non DB 25P plug or equivalent with 25 pins Cannon DB C2 J9 or equivalent connector shell Serial Interface Signal Requirements 1 Protective Ground PG Ground Connected to the printer frame 2 Transmit Data TD From Printer Serial data transmitted to the system 3 Receive Data RD To Printer Serial data received by the printer 4 Request to Send RTS From Printer Always set to low mark 5 Not Used 6 Data Se...

Страница 250: ...ndicates that the printer is not ready to receive data 21 to 25 Not Used Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 251: ...ommonly Used Serial Cable Configurations IBM 25 Pin Cable Configuration IBM 9 Pin Cable Configuration Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 252: ...elow is the same line as it would appear in Hexadecimal Dump Mode 1B 30 1E 54 68 69 73 20 69 73 20 61 6E 20 65 78 0 61 6D 70 6C 65 20 66 20 61 20 68 65 78 61 64 65 63 69 6D 61 6C 20 64 75 6D 70 2E 0D 0A Procedure Follow these steps to engage the Hexadecimal Dump Mode 1 Make sure the printer is connected to a computer 2 Verify that paper is loaded 3 Verify that the ribbon and printhead are correctl...

Страница 253: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 254: ... to determine if the printhead and motors used in the printer are defective NOTE The printhead coil resistance values ARE NOT LISTED The individual printwire control lines CANNOT be accessed on this printhead Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 255: ...rd to Printhead NOTE The printhead coil resistance values ARE NOT LISTED The individual printwire control lines CANNOT be accessed on this printhead Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 256: ...is 4 9 03 Line Feed Motor Resistance The resistance of each coil should be approximately 13 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 257: ...lysis 4 9 04 Space Motor Resistance The resistance of each coil should be approximately 5 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 258: ...ed circuit boards PCBs used in the printer The following areas are covered Firmware Fuses Jumpers Sensors Switches Test Points Where an item is not applicable the word NONE will be listed Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 259: ...roller Board AKGI A 2 01 Operator Panel Board LEOP A 2 02 Power Supply Assembly N A A 2 03 Space Motor PCB N A A 2 04 RS232 C Serial Interface Board LXHI A 2 05 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 260: ...90 ML591 Chapter A Reference Charts Interconnect Diagram Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 261: ...Side 4 Mbit Masked ROM is in location 05D B Side CGROM Location 05C and EPROM Location 05D are installed Sensors SNS1 Rear Top Feed Paper Out Sensor SNS3 Bottom Feed Paper Out Sensor Switches BASW Paper Path Select Switch Test Points 5 vdc Logic LED Drive Voltage CN3 Pins 5 and 6 8 vdc Serial Interface Line Voltage CN3 Pin 11 8 vdc Serial Interface Line Voltage Comparator Voltage CN3 Pin 10 12 vdc...

Страница 262: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 263: ...E Jumpers NONE Sensors NONE Switches SEL Select SHIFT LF Line Feed FF Form Feed TEAR PARK QUIET PQ Print Quality CP Character Pitch Test Points NONE Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 264: ...s SW Power Switch Test Points 5 vdc Logic LED Drive Voltage CN2 Pins 5 and 6 8 vdc Serial Interface Line Voltage CN2 Pin 11 8 vdc Serial Interface Line Voltage Comparator Voltage CN2 Pin 10 12 vdc Printhead Analog Voltage CN2 Pin 9 40 vdc Printhead Space Motor Line Feed Motor Drive Voltage CN2 Pins 1 and 2 Frame Ground CN2 Pins 3 and 4 Logic Ground CN2 Pins 7 and 8 ALM Alarm Signal from Main Contr...

Страница 265: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 266: ...r Board Firmware NONE Fuses NONE Jumpers NONE Sensors SNS2 Encoder Disk Sensor Switches NONE Test Points NONE Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 267: ... the MPU Socket is empty Fuses NONE Jumpers SP1 EPROM Address Select Jumper position as shown EPROM is masked to MPU Sensors NONE Switches NONE Test Points NONE Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 268: ...emblies and which are not N A will appear where a part number is not available Current Part Numbers Okidata has made every effort to include current part numbers in this Service Handbook at the time of publishing However technical information frequently changes These changes often include new or modified parts with new or modified part numbers Please refer to the following resources for current pa...

Страница 269: ... II Faxable Facts and Technical Information Refer to the Service Center Reference Guide for information on accessing these resources Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 270: ...ines are designed to work exclusively with Okidata consumables By using genuine Okidata consumable products the investment made in the equipment is protected Document A document is a printed item which supports the service and marketing of a product Various documents are available from Okidata Drivers Printer drivers are updated frequently Please refer to Okilink II for the latest printer driver i...

Страница 271: ...re issued monthly 590 This part is specific to the Microline 590 printer 591 This part is specific to the Microline 591 printer Both This part is used by both the Microline 590 and Microline 591 printers Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 272: ...dures Service Authorization for a specific product must be obtained before a Dealer can submit warranty claims Direct questions regarding the Service Center Reference Guide to Okidata Dealer Service Refer to the Service Center Reference Guide for information on contacting Okidata Placing a Parts Order All authorized Okidata resellers may order spare parts and consumables for Okidata products Order...

Страница 273: ... Assembly B 2 04 Printer Unit 1 of 3 B 2 05 Printer Unit 2 of 3 B 2 06 Printer Unit 3 of 3 B 2 07 Carriage Assembly B 2 08 Options B 2 09 Option Parts B 2 10 Consumables B 2 11 Packing Materials B 2 12 Documentation B 2 13 Service Training Kit Revision List Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this m...

Страница 274: ...0 ML591 Chapter B Illustrated Parts Listing Board Overview Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 275: ... 1 02 Disassembly Procedure 1 62409201 N A Printer ML590 Parallel Epson IBM Comp 120 V N A 2 62409202 N A Printer ML590 Parallel Epson IBM Comp 220 V N A 3 62409301 N A Printer ML591 Parallel Epson IBM Comp 120 V N A 4 62409401 N A Printer ML591 Parallel Epson IBM Comp 220 V N A Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Страница 276: ... ML590 ML591 Chapter B Illustrated Parts Listing B 2 02 Upper Cover Assembly Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 1 53066901 1PP4094 6501P1 Cover Upper Narrow RSPL 590 3 2 06 ...

Страница 277: ...Guide Sheet Wide RSPL 591 3 2 06 3 53067101 2PA4094 7381G1 Cover Access Narrow RSPL 590 3 2 06 3 53067201 2PA4094 7382G1 Cover Access Wide RSPL 591 3 2 06 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 278: ...s Listing B 2 03 Printer General Assembly Ite m Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 1 53562601 2PP4094 6507P3 Knob Platen ML 500 Series RSPL Both 3 2 06 2 53067301 2PP4094 6506P2 Cover B for card slot RSPL Both 3 2 06 ...

Страница 279: ... 1708P1 Power Supply 230 240V Option RSPL 590 3 2 08 7 56412202 4YB4049 1708P2 Power Supply 230 240V Option RSPL 591 3 2 08 8 56609701 3YS4011 1315P1 Cord AC RSPL Both 3 2 01 9 56624101 3YS4011 1265P1 Cord AC 220V ML Right Ang Option RSPL Both 3 2 01 10 56624401 3YS4011 1268P1 Cord AC 240V Option RSPL Both 3 2 01 11 50217201 4YA4023 2601G1 Assembly Printhead RSPL Both 3 2 02 12 50707501 4PP4025 36...

Страница 280: ...40A2036M1252 Fuse 2 5A 120V RSPL Both 3 2 08 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 281: ... 1 53563101 3PA4025 3720G1 Frame Main Narrow RSPL 590 3 2 30 1 53563201 3PA4025 3721G1 Frame Main Wide RSPL 591 3 2 30 2 50804601 3PP4025 3315P1 Lever Bottom Paper End RSPL Both 3 2 27 3 50804701 3PP4025 3322P1 Lever Bottom Sensor RSPL Both 3 2 27 4 50804801 3PP4025 3321P1 Lever Rear Sensor RSPL Both 3 2 18 5 50804902 4PP4025 3323P2 Lever Sensor Cut Sheet Continuous RSPL Both 3 2 18 ...

Страница 282: ...3 2 26 11 53067701 3PP4025 3380P1 Cam Adjust RSPL Both 3 2 15 12 53563301 3PP4025 3376P1 Rack Space Narrow RSPL 590 3 2 13 12 53563401 3PP4025 3522P1 Rack Space Wide RSPL 591 3 2 13 13 50923501 4PB4025 3377P1 Spring Tension Space Rack RSPL Both 3 2 13 14 51009701 4PP4025 3378P1 Guide Rail Ground Clip RSPL Both 3 2 15 15 51009801 3PP4025 3379P1 Guide Rail Narrow RSPL 590 3 2 15 15 51009901 3PP4025 ...

Страница 283: ...PL Both 3 2 25 18 50923601 4PB4025 3385P1 Spring Support Protect Reset RSPL Both 3 2 25 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 284: ...idata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 1 53563101 3PA4025 3720G1 Frame Main Narrow RSPL 590 3 2 30 1 53563201 3PA4025 3721G1 Frame Main Wide RSPL 591 3 2 30 2 51228001 4PP4025 3340P1 Gear Change RSPL Both 3 2 29 3 51228101 3PP4025 3341P1 Gear Tractor RSPL Both 3 2 29 ...

Страница 285: ... Ground RSPL Both 3 2 17 9 50098301 3PA4025 3370G1 Platen Assembly Narrow RSPL 590 3 2 19 9 50098302 N A Platen Assembly Wide RSPL 591 3 2 19 10 53341501 3PA4025 3440G2 Roller Pull Up Assembly Narrow RSPL 590 3 2 05 10 53341601 3PA4025 3530G2 Roller Pull Up Assembly Wide RSPL 591 3 2 05 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Страница 286: ...Unit 3 of 3 Item Okidata P N Oki J P N Description Comment s Refer to B 1 02 Disassembly Procedure 1 53563101 3PA4025 3720G1 Frame Main Narrow RSPL 590 3 2 30 1 53563201 3PA4025 3721G1 Frame Main Wide RSPL 591 3 2 30 2 50922901 4PP4025 3316P1 Spring Front Pressure Narrow RSPL 590 3 2 28 ...

Страница 287: ...7 50097401 1PP4025 3506P2 Pan Paper Wide RSPL 591 3 2 27 8 50923301 3PP4025 3346G1 Spring Pressure Narrow RSPL 590 3 2 24 8 50923401 3PP4025 3511G1 Spring Pressure Wide RSPL 591 3 2 24 9 50805201 4PP4025 3351P1 Lever Switch Cut Sheet Continuous RSPL Both 3 2 24 10 51228301 4PP4025 3350P1 Arm Front Release Gear RSPL Both 3 2 24 11 50924701 4PP4025 3365P1 Spring Lock RSPL Both 3 2 20 12 50097701 3PA...

Страница 288: ... RSPL 590 3 2 29 14 50097502 3PA4025 3330G2 Tractor Assembly Wide RSPL 591 3 2 29 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 289: ...lustrated Parts Listing B 2 07 Carriage Assembly Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 1 50707401 3PP4025 3431P1 Clamp Head RSPL Both 3 2 03 2 53562801 3PP4025 3430P1 Protector Ribbon RSPL Both 3 2 03 ...

Страница 290: ...mbly Both 3 2 11 9 53341901 4PP4025 3398P1 Roller Guide RSPL Both 3 2 11 10 53342001 3PP4025 3399P1 Holder Guide Roller RSPL Both 3 2 11 11 N A N A Pin Both 3 2 11 12 N A 4PP4025 3401P1 Guide Roller Spring Both 3 2 11 13 56627301 2PU4007 1193P1 Cable Carriage Narrow RSPL 590 3 2 12 13 56627302 N A Cable Carriage Wide RSPL 591 3 2 12 14 53343201 4PA4025 3718G1 Assembly Roller Holder Backup Both 3 2...

Страница 291: ...ng Both 3 2 14 19 50098901 4PP4025 3394G1 Carriage Frame Set RSPL Both 3 2 25 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 292: ...er B Illustrated Parts Listing B 2 08 Options Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 1 70022501 N A Kit Single Bin CSF Narrow Option 590 N A 1 70022701 N A Kit Single Bin CSF Wide Option 591 N A ...

Страница 293: ...581G1 Bracket Ribbon Shift Color Option RSPL Both N A 7 70023301 N A Kit Roll Paper Stand Option 590 N A 8 70016301 N A Buffer Expansion Card Option Both N A 9 70000803 N A Kit Parallel Interface Plug n Play Accessory Option Both N A 10 70012801 N A Kit RS232 C Serial Interface Option Both N A 11 56412201 4YB4049 1708P1 Power Supply 230 240V Option RSPL 590 3 2 08 11 56412202 4YB4049 1708P2 Power ...

Страница 294: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 295: ...ight Option RSPL Both N A 4 50098502 2PA4094 6510G4 Stand Bottom Push Left Option RSPL Both N A 5 50098701 4PP4094 7385G1 Knife Paper N Bottom Push Tractor Option RSPL 590 N A 5 50098801 4PP4094 7386G1 Knife Paper W Bottom Push Tractor Option RSPL 591 N A 6 50098101 2PP4094 7383G1 Tractor Cover Assembly N Pull Tractor Option RSPL 590 N A 6 50098201 2PP4094 7384G1 Tractor Cover Assembly W Pull Trac...

Страница 296: ...ut Sheet Feeder Option RSPL Both N A 14 53562901 1PP4053 2576P1 Supporter Front Sheet N Cut Sheet Feeder Option RSPL 590 N A 14 53480901 1PP4043 1891P4 Supporter Front Sheet W Cut Sheet Feeder Option RSPL 591 N A 15 50062801 4PB4053 1705G1 Roller Hopping L H Cut Sheet Feeder Option RSPL Both N A 16 50062802 4PB4053 1705G2 Roller Hopping R H Cut Sheet Feeder Option RSPL Both N A 17 53321501 3PB4025...

Страница 297: ...21 1050G1 PCB LXHI RS232 C Option RSPL Both N A Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 298: ...ption Comments Refer to B 1 02 Disassembly Procedure 1 52106001 N A Ribbon Black Consumable Both 3 2 02 2 52106002 N A Ribbon Color Consumable Both 3 2 02 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 299: ...sassembly Procedure 1 53564901 N A Box Graphic RSPL 590 N A 1 53565001 N A Box Graphic RSPL 591 N A 2 53565401 N A Foam Molded Left RSPL Both N A 3 53565402 N A Foam Molded Right RSPL Both N A Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com ...

Страница 300: ...ents Refer to B 1 02 Disassembly Procedure 1 58229001 N A Kit ML590 591 Service Training Document Both N A 1 58229002 N A Kit ML590 591 Service Training Document Both N A 1 58229003 N A Kit ML590 591 Service Training Document Both N A 2 58233302 N A Package User s Documentation Document Inc 3 4 5 6 7 N A 3 52033001 N A Card QA Reply Document Part of 2 N A 4 53436029 N A Bag Poly 9 x 12 Document Pa...

Страница 301: ...15 N A N A Printer Drivers Refer to Okilink N A 16 N A N A Product Updates Document Refer to Okilink N A 17 N A N A Recommended Spare Parts List Document Refer to Okilink N A 18 N A N A Software Refer to Okilink N A 19 N A N A Technical Service Bulletins Document Refer to Okilink N A 20 N A N A Marketing Literature Document N A 21 N A N A Okidata Marketing Literature Order Form Document N A Copyri...

Страница 302: ...229001 N A Kit ML590 591 Service Training Document Both N A 2 A 52062701 N A Label Box Document N A 3 A 58229101 N A Administration Package Document N A 4 A 58088001 N A Envelope Administration Package Document N A 5 A 58088101 N A Cover Letter Document N A 6 A 59256201 N A Training Guide Document N A 7 A 58088201 N A Printhead Gap Adjustment Material Document N A 8 A 58088301 N A Certification Te...

Страница 303: ...2703 N A Label Service Videotape Front Document N A 21 A 52062704 N A Label Service Videotape Spine Document N A 22 A 57517101 N A Red Vinyl Case VHS Videotape Document N A 23 A 53567001 N A Storage Box Document N A 24 A 53567101 N A Cardboard Sleeve Document N A P N 58229002 Microline 590 591 Service Training Kit This kit was replaced by P N 58229003 Items in the training kit except for the Print...

Страница 304: ...ter Handbook are NOT available separately Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 1 C 58229003 N A Kit ML590 591 Service Training Document Both N A 2 C 52062706 N A Label Kit Document N A 3 C 58088103 N A Read Me First Document N A 4 C 59256303 N A Service Handbook Document N A 5 C 59254703 N A Printer Handbook Document N A 6 C 57519502 N A Service Vid...

Страница 305: ...Partner Exchange BPX for any updates to this material http bpx okidata com ...

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