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OKIDATA ML393C Plus, Руководство по обслуживанию

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Page: 161

Service Guide ML393/ML393CPlus

Chapter A Board Diagrams

 

A.1 OVERVIEW

A.1.01 General Information

This section describes the characteristics of the printed circuit boards used in the unit.

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)

Содержание ML393C Plus

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: ...ng Manual 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...

Страница 3: ...ion 15 1 6 09 Interface 16 1 6 10 Line Feed Increments 17 1 6 11 Line Feed Time 18 1 6 12 Menu Mode 19 1 6 13 Paper Feed Methods 20 1 6 14 Paper Feed Paths 21 1 6 15 Paper Loading 22 1 6 16 Paper Out...

Страница 4: ...trol Board LQEM 58 3 2 07 Interface Connector Board LQPN 59 3 2 08 Printer Mechanism 60 3 2 09 Platen Assembly 61 3 2 10 Line Feed Motor 62 3 2 11 Printhead Cable Assembly 63 3 2 12 Sensor Board 64 3...

Страница 5: ...ents General Information 92 3 3 02 Printhead Gap Adjustment 93 3 3 03 Line Feed Belt Tension 94 3 3 04 Color Adjustment Microline 393C Plus Printer 95 3 3 05 Key Combinations 96 3 3 06 Menu Operation...

Страница 6: ...137 RAP 02 Space Error ALARM 57 138 RAP 03 Head Homing Error ALARM 53 139 RAP 04 Ribbon Homing Error ALARM 5B 140 RAP 05 Bail Home Error ALARM 5C 141 RAP 06 Wrong Character Character Omission or Dot...

Страница 7: ...177 B 2 07 Printer Mechanism Monochrome 2 of 3 178 B 2 08 Printer Mechanism Monochrome 3 of 3 179 B 2 09 Printer Mechanism Color 1 of 3 180 B 2 10 Printer Mechanism Color 2 of 3 181 B 2 11 Printer Me...

Страница 8: ...nt Laurel NJ 08054 3499 Fax Number 609 222 5320 Okilink Login Name Technical Training OKIDATA is a registered trademark of Oki Electric Industry Company Ltd marques deposee de Oki Electric Industry Co...

Страница 9: ...lus is the standard version monochrome The Microline 393C Plus is the color capable version The printers are capable of emulating the Epson LQ 2550 and the IBM Proprinter XL24 printers Both an RS232 C...

Страница 10: ...cover and paper separator Width 25 2 inches 54 centimeters Depth 19 inches 48 3 centimeters Height 8 inches 20 3 centimeters 1 2 02 Printer Weight 37 pounds 16 8 kilograms UPS Shippable Copyright 199...

Страница 11: ...put Power 120 VAC 10 15 220 VAC 10 15 1 3 02 Power Consumption Operating 180 VA Idle 50 VA 1 3 03 Power Frequency 50 60 Hz 2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See...

Страница 12: ...ient Temperature and Relative Humidity RH While operating 41 to 104 degrees Fahrenheit 5 to 40 degrees Celsius Operating humidity 20 to 90 RH While in storage 40 to 158 degrees Fahrenheit 40 to 70 deg...

Страница 13: ...CY APPROVALS 1 5 01 Listings UL No UL Standard No 478 CSA No CSA Standard C22 2 220 FCC FCC Class B Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Part...

Страница 14: ...Mode Speed Matrix Horizontal x Vertical cpi Letter Quality 140 cps 30 x 18 12 cpi Near Letter Quality 210 cps 15 x 18 12 cpi Utility 415 cps 9 x 17 12 cpi High Speed Draft 520 cps 7 x 17 15 cpi Copyr...

Страница 15: ...acters Per Line Characters Per Line Characters Per Inch Maximum 136 10 163 12 204 15 233 17 1 272 20 PS Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Страница 16: ...Chapter 1 Specifications 1 6 03 Character Pitches 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...

Страница 17: ...SON Character Set I II IBM Character Set I II All Characters 16 Foreign Language Sets Zero Slashed Zero DLL 2 Sets of 128 characters Copyright 1997 Okidata Division of OKI America Inc All rights reser...

Страница 18: ...ifications 1 6 05 Emulations NOTE The emulations are co resident Epson LQ IBM XL24 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Страница 19: ...6 06 Fonts Standard Courier Swiss Roman Orator Optional Font Cartridges Prestige Letter Gothic Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner E...

Страница 20: ...SELECT Paper Park Top of Form Quiet Menu Mode Font Selection Line Feed Pitch Selection FORM FEED Print Quality Selection Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the...

Страница 21: ...tion 60 horizontal x 60 vertical dots per inch DPI minimum 360 horizontal x 360 vertical dots per inch DPI maximum Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDAT...

Страница 22: ...cations 1 6 09 Interface Standard Centronics Parallel 19 2K Super Speed Serial RS232C Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange B...

Страница 23: ...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 r...

Страница 24: ...eed Time 55 ms 6 LPI 8 0 IPS inches per second slew rate gap 1 2 6 0 IPS inches per second slew rate gap 3 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busine...

Страница 25: ...Prints 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...

Страница 26: ...riction Feed Top Rear Push Tractor Rear Optional Pull Tractor Bottom Cut Sheet Feeder Top CSF 30001 Single Bin CSF 30002 Dual Bin Copyright 1997 Okidata Division of OKI America Inc All rights reserved...

Страница 27: ...eed Standard Rear Feed Standard Bottom Feed by using an Optional feed mechanism Special Features Paper Park Forms Tear Off Copyright 1997 Okidata Division of OKI America Inc All rights reserved See th...

Страница 28: ...Loading Refer to the Setup Guide or Section 2 2 of this Service Handbook for information on paper loading Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busines...

Страница 29: ...om end of paper Rear Feed 2 3 inches 5 84 centimeters Bottom Feed 94 inches 2 388 centimeters Cut Sheet 93 inches 2 362 centimeters Copyright 1997 Okidata Division of OKI America Inc All rights reserv...

Страница 30: ...1 Specifications 1 6 17 Paper Tear Capabilities Tear Bar for Forms Tear Off Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 31: ...15 degrees Celsius NOTE Refer to Section Two for more information on printhead operation Printhead Gap Information Two items factor into printhead gap information 1 Printhead Gap Adjustment This is a...

Страница 32: ...5 Three part forms 7 Four part forms 5 9 Envelopes Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material...

Страница 33: ...ations 1 6 19 Print Modes Letter Quality Near Letter Quality Utility High Speed Draft Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange B...

Страница 34: ...8 cps 172 cps 17 1 cpi 1 2 517 cps 295 cps 196 cps 20 cpi 1 2 345 cps 230 cps 10 cpi 3 300 cps 150 cps 100 cps 12 cpi 3 360 cps 180 cps 120 cps 15 cpi 3 450 cps 225 cps 150 cps 17 1 cpi 3 450 cps 257...

Страница 35: ...m 2 Multi Part Carbonless 9 11 lb 35 to 40 g m 2 Multi Part Interleaf Paper 10 12 lb 38 to 45 g m 2 Carbon 9 lb 35 g m 2 Width 3 5 to 15 5 inches 8 8 to 41 9 centimeters Length 3 to 17 inches 7 62 to...

Страница 36: ...ection 1 6 CAUTION Use Bottom Feed and or optional Pull Tractor for card stock and labels Transparency NOTE Roller marks may mar the transparency under high temperature high humidity conditions Weight...

Страница 37: ...nded weight is specific to paper type Minimum 12 lb 45 g m 2 Maximum 100 lb 375 g m 2 1 7 06 Width NOTE The recommended width is specific to paper type Paper Minimum 3 5 inches 8 8 centimeters Maximum...

Страница 38: ...tional Font Cartridges 1 8 02 RAM Total RAM 64 Kbytes Print Buffer 23 Kbytes Epson I F Buffer 8 Kbytes IBM I F Buffer 0 Kbytes minimum DLL Buffer 0 to 32 Kbytes 1 8 03 EEPROM Internal Control Menu 256...

Страница 39: ...Black 2 3 million characters Cyan 1 8 million characters Magenta 1 8 million characters Yellow 1 3 million characters 1 9 03 Film Ribbon Can be used in both the Microline 393 Plus and Microline 393C...

Страница 40: ...to 21 7 centimeters Paper Length 10 1 to 14 inches 25 6 to 35 6 centimeters Capacity 170 sheets 16 lb 100 sheets 24 lb 1 10 02 Pull Tractor Kit NOTES A Pull Tractor Assembly MUST be used to feed labe...

Страница 41: ...00 hours of power on time 25 duty cycle 35 page density 1 11 04 Printhead Life Average 200 million characters in 10 cpi utility mode normal 25 duty 35 page density 1 11 05 Ribbon Life Approximately 4...

Страница 42: ...its peripheral circuits the drive circuits The power to the Control Board is supplied by the power supply unit The power to the other electrical parts is distributed via the connectors on the Control...

Страница 43: ...rogram DRAM Q18 and Q19 The Dynamic RAM chips each consisting of 64x4 Kbits are used as the Receive Buffer and Print Buffer The total buffer size is 64x8 Kbits CGROM Q7 This is a 1 Mbit ROM which stor...

Страница 44: ...he serial or parallel interface Address Latch for lower 8 bits of the master MPU MMU Memory Management Unit LSI Q13 MSM73003 This LSI is connected between the Master and Slave MPUs and performs these...

Страница 45: ...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: ...OM program execution starts with the mode setting of Q8 Q9 Q12 and Q13 Next ROM and RAM are checked for errors RAM is initialized and the carriage bail and ribbon color model only are homed The progra...

Страница 47: ...nterface Control LSI is in the parallel mode The data from the interface is received through connector CN 1 and the Interface LSI Q12 latches this data to the internal register in the LSI at the risin...

Страница 48: ...a to parallel data The interface signals DTR RTS SSD and TD output from the Master MPU and Interface LSI are converted from TTL levels to RS232 C levels by the line driver Q2 and sent to the serial in...

Страница 49: ...modifies the HD ON pulse width The pulse width of the HD ON signal varies with the number of pins being driven Printhead Drive Time The drive time increases as more pins are driven The drive time dec...

Страница 50: ...The SPMO FOW or SPMO REV signal from the Head Control LSI Q8 changes the current direction in the DC motor to run the motor in either the forward or reverse direction As the space motor rotates it gen...

Страница 51: ...is approximately 30 ma whenever in a stopped position During line feed operation the Line Feed Motor is driven by 38 vdc in accordance with the LFOVDV N signal The signals LF Phase 1 through LF Phase...

Страница 52: ...ure by using a thermistor contained in the printhead The CPU senses this circuit every time a line is printed When printing the printhead temperature rises If the head temperature reaches approximatel...

Страница 53: ...ensor on the sensor board bottom feed Whenever the Release Lever is in the Sheet Feed position Paper End is detected by a photosensor located in the paper pressure guide When the printer detects an ou...

Страница 54: ...bbon Motor Drive Voltage POW ALM This signal is sent by the Power Supply in the event of an abnormal temperature rise in the power supply unit or an overcurrent condition of the 38 vdc The Main Contro...

Страница 55: ...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: ...ttached to the armature strikes the ribbon and prints a dot on the paper When current is removed from the coil the magnetic field of the permanent magnet attracts the armature retracting the printwire...

Страница 57: ...ing the blue head gap lever located on the right side of the printer The settings are 1 2 3 4 5 6 7 8 9 1 is the smallest narrowest gap 9 is the largest widest gap Setting Paper Type 1 12 15 lb paper...

Страница 58: ...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: ...sts of the items listed below Space Motor Drive Pulley Idle Pulley Carriage Shaft Carriage Frame Space Belt Spacing Operation The carriage containing the printhead moves parallel to the platen along t...

Страница 60: ...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: ...ndless ribbon with a single direction feed is used Ink is supplied from an ink tank which is built in to the ribbon cartridge Ribbon Feed Operation The rotation of the space motor is transmitted to th...

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: ...er Pressure Guide Friction Feed When the release lever is set to the SHEET FEED position the change gear is disengaged from the tractor gear At the same time the release lever applies pressure to push...

Страница 64: ...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 65: ...out of sheet paper the sensor is deactivated OFF indicating a paper end condition Bottom Feed Paper End This is used with optional Pull Tractor When the release lever is in the TRACTOR FEED position t...

Страница 66: ...tected by either of these sensors paper end is inhibited When rear feed paper is installed pressure is placed on the microswitch located in the left push tractor Since the switch is turned ON paper is...

Страница 67: ...on the push tractor but out of the printing path Procedure Continuous Feed to Single Sheet 1 Tear off any printed pages 2 Make sure the printer is selected The SELECT lamp must be lit 3 Press PARK TO...

Страница 68: ...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: ...ry paper end Continuous Sheet Rear Feed SASF 1 Push the Paper Release Lever to the Continuous Sheet side front of printer 2 Insert the paper into the push tractor DO NOT allow the front edge of the pa...

Страница 70: ...these procedures could result in unnecessary service calls Cleaning procedures must be performed correctly if high print quality is to be achieved 3 1 02 Maintenance Items The following items are requ...

Страница 71: ...ocedures when replacing assemblies and units 11 When replacing the main control board be sure to remove any socketed PROMS and EEPROMS Replacement printed circuit boards are shipped WITHOUT these item...

Страница 72: ...Carriage Shaft 3 2 18 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 73: ...nd disassembling a unit which is operating normally If you decide to perform disassembly during this training Okidata recommends that you perform only the disassembly procedures for RSPL items All oth...

Страница 74: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 75: ...installing the printhead pull the printhead towards the stopper in the direction of Arrow A Perform the printhead gap adjustment after installation Refer to Section 3 3 of this Service Handbook for fu...

Страница 76: ...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: ...ead 3 2 01 2 Remove the two mounting screws 1 3 Lift the ribbon guide 2 and remove it P N 53055901 Guide Ribbon Black RSPL B 2 12 Copyright 1997 Okidata Division of OKI America Inc All rights reserved...

Страница 78: ...the ribbon guide 3 2 02 3 Remove the two mounting screws 1 4 Lift the ribbon protector 2 and remove it P N 53527001 Protector Ribbon RSPL B 2 12 B 2 13 Copyright 1997 Okidata Division of OKI America...

Страница 79: ...back and tilt it towards the front to remove it NOTES When installing the upper cover assembly perform the actions listed below Move the release lever 6 towards the front of the printer Move the bail...

Страница 80: ...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: ...restige Font Cartridge Option B 2 03 B 2 14 P N 70016401 Cartridge 32 Kbyte RAM Expansion Option B 2 03 B 2 14 P N 53478601 Knob Platen RSPL B 2 03 P N 50212427 Cover Middle ML393 RSPL B 2 02 P N 5021...

Страница 82: ...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: ...older 4 by moving it upward and then pulling toward the front of the printer 5 Remove the three mounting screws 5 6 Open the eleven claws and detach the operator panel 6 from the operator panel holder...

Страница 84: ...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 85: ...ove in the base tray 7 Place the board into the groove 8 in the shield cover then attach the shield cover When replacing the main control board be sure to remove any socketed PROMS and EEPROMS Replace...

Страница 86: ...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 87: ...to use the serial interface connector 1 Remove the upper cover assembly 3 2 04 2 Disconnect connectors CN102 1 and CN103 2 3 Remove the two mounting screws 3 4 Lift the interface connector board 4 5 D...

Страница 88: ...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 89: ...screws and brackets 5 There are two on the left side of the printer mechanism and one on the right side CAUTION Do not grasp the ribbon cartridge bracket paper chute or the guide shaft of the sheet f...

Страница 90: ...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 91: ...the bail and remove the platen assembly 3 NOTE Perform the line feed belt tension adjustment 3 3 02 after replacing the line feed drive belt When cleaning refer to Section 3 4 of this Service Handbook...

Страница 92: ...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 93: ...ove the line feed motor 2 NOTE When installing the line feed motor the cable should be positioned toward the top Adjust the line feed belt tension 3 3 0 2 after installing the line feed motor P N 5650...

Страница 94: ...rtridge bracket 4 8 Remove the mounting screw 5 9 Detach the connector clamp 6 10 Detach the head cable connector 7 from the carriage frame 8 11 Lift the front of the printer mechanism and remove the...

Страница 95: ...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 96: ...se the front of the printer mechanism 4 Disconnect cables CN2 1 and CN3 2 from the sensor board 3 5 Remove the three sensor board mounting screws 4 6 Disconnect connector CN1 5 and detach the sensor b...

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: ...the ribbon feed assembly 4 NOTE When assembling install the ribbon drive assembly so that the gear teeth contact properly 5 The gears must not bind together The ribbon cartridge balance spring is NOT...

Страница 99: ...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: ...crews 1 5 While pushing the belt pulley bracket 2 to the left temporarily tighten the two screws This will ease the tension on the space belt 6 Remove the three space motor mounting screws 3 7 Remove...

Страница 101: ...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: ...2 14 5 Remove the mounting screw 1 6 Detach the belt clamp 2 7 Remove the idle pulley 3 from the idle pulley shaft 4 and detach the mini pitch space belt 5 NOTE When installing the belt clamp make su...

Страница 103: ...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 104: ...unting screws 2 5 Detach the bail ribbon motor assembly 3 NOTE When assembling install the bail ribbon motor assembly so that the gear teeth contact properly The gears must not bind together P N 56506...

Страница 105: ...6 by pulling to the left 8 Remove the right bail arm 7 by pulling to the right while expanding the clamps 8 9 Detach the right bail arm from the indicator shaft assembly NOTE Installation The left bai...

Страница 106: ...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 107: ...o stopper cushion rings 6 8 Slide the carriage shaft 7 to the right and remove the carriage 8 and round spacer Not Shown 9 Continue sliding the carriage shaft to the right then remove the carriage sha...

Страница 108: ...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 109: ...p Adjust RSPL B 2 07 B 2 10 P N 50705701 Ring Cushion Stopper B 2 08 B 2 11 P N 51110301 Shaft Carriage B 2 08 B 2 11 P N 50057601 Carriage Black Assembly B 2 12 P N 50069401 Carriage Color Assembly B...

Страница 110: ...this Service Handbook 8 Remove the paper pressure bar 5 by sliding it to the right 9 Using needle nose pliers squeeze the nylon latch 7A to release the cut sheet paper end sensor 7B which is located a...

Страница 111: ...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 112: ...4 Using a needle nose pliers detach the nylon cable clamp 3 and remove the harness and switches from the printer mechanism 5 The printhead gap indication bracket is the plastic piece imprinted with nu...

Страница 113: ...cable clamp 4 5 Slide the upper drive shaft 5 to the left and remove it 6 Slide the lower drive shaft 6 to the left 7 Remove the upper center guide 7 being careful not to lose the friction piece 8 8...

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: ...drive gears in the same direction 5 Position the groove of the upper center guide 7 behind the paper pressure guide 14 6 The left tractor assembly 10A must be positioned between the two locking tabs...

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: ...he printer You must raise the power supply unit slightly so it will become detached from the two guides A in the lower cover NOTE Be careful not to damage the cables with the power supply unit mountin...

Страница 118: ...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 119: ...ance Sections 3 2 23 through 3 2 28 apply to the Microline 393C Plus Color Model Only Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange B...

Страница 120: ...ng Ribbon Shift Arm 1 Detach the printer access cover 2 Remove the ribbon cartridge 1 3 Remove the shift arm spring 2 4 Remove the 7 mm mounting bolt 3 and detach the ribbon shift arm 4 P N 53478901 A...

Страница 121: ...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: ...ntenance 3 2 24 Roller Lever 1 Open the printer access cover 2 Remove the ribbon cartridge 3 Remove the shift arm spring 3 2 23 4 Remove the two 7 mm bolts 1 and detach the roller lever 2 P N 53479001...

Страница 123: ...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 124: ...n shift arm mounting bolt 1 and detach the ribbon shift arm 2 from projection A of the ribbon guide 3 3 Remove the two printhead mounting screws 4 Lift the printhead from the printer As you lift the p...

Страница 125: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Страница 126: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 127: ...ation When installing make sure that the plastic ring is positioned against the rim on the bail open cam Installation may be easier if the bail open cam is installed on the shaft first followed by the...

Страница 128: ...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 129: ...washer 5 Remove the ribbon shift cam 3 NOTE Installation Hold back the spring 4 while pushing the gear and cam on the shaft Place the roller 5 in the groove 6 of the ribbon shift cam Perform the colo...

Страница 130: ...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 131: ...ter mechanism 3 2 08 2 Remove the ribbon shift cam and ribbon shift gear 3 2 27 3 Remove the mounting screw 1 4 Detach the ribbon shift cam lever 2 from the cartridge bracket 3 NOTE Installation Perfo...

Страница 132: ...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 133: ...aintenance Sections 3 2 29 through 3 2 35 apply to the CUT SHEET FEEDER OPTION Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Страница 134: ...r 1 4 Move the paper lock lever 2 towards the back 5 Remove the friction sheets 5 from the sheet guide A 3 and sheet guide B 4 NOTE Installation When installing new friction sheets remove the peel off...

Страница 135: ...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: ...it 10 11 Move the rear bin unit 11 in the direction of arrow D to disengage the lock plate 8 from the post 7 on the front bin unit 10 12 Lift the rear bin unit 11 in the direction of arrow C and pull...

Страница 137: ...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: ...e the collar 3 7 Remove the left side cover 4 of the front bin unit 8 Remove the three screws 5 9 Remove the bolt 6 10 Remove the collar 7 11 Remove the right side cover 8 of the front bin unit 12 Rem...

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: ...haped snap ring 4 8 Pull the hopper shaft 5 in the direction of arrow B 9 Remove the left roller support 6 10 Remove the right roller support 7 11 Remove the roller H 8 The collar 9 will also be remov...

Страница 141: ...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: ...front bin unit 3 2 30 4 Remove the left side cover from the front bin unit 3 2 31 5 Disconnect connectors CN1 1 and CN2 2 6 Remove the three screws 3 7 Remove the two screws 4 8 Remove the control boa...

Страница 143: ...ear bin unit from the front bin unit 3 2 30 4 Remove the left side cover from the front bin unit 3 2 31 5 Disconnect connector CN1 2 from the control board 1 6 Remove the three screws 3 7 Remove the c...

Страница 144: ...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 145: ...vers from the front bin unit 3 2 31 5 Remove the control board 3 2 33 6 Remove the four screws 1 7 Remove the right sheet guide assembly 2 8 Pull out the connection cord 4 from the groove A in the sid...

Страница 146: ...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: ...es may be 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 re...

Страница 148: ...dge in the printer before testing Procedure 1 Remove the printhead 3 2 01 2 Remove the ribbon guide 3 2 02 3 Remove the ribbon protector 3 2 03 4 Install the printhead 5 Set the printhead gap lever to...

Страница 149: ...Remove the printhead 15 Install the ribbon protector ribbon guide and printhead CAUTION Be sure to pull the printhead toward the stopper whenever it is installed Copyright 1997 Okidata Division of OK...

Страница 150: ...Rotate the platen pulley at least once before making the adjustment 2 Loosen the three line feed motor mounting bolts 1 3 Using a tension gauge apply 5 pound of pressure at point A 4 Adjust the line f...

Страница 151: ...3 2 28 Procedure Ribbon Home Adjustment 1 Remove the upper cover assembly 3 2 04 2 Remove the printer mechanism 3 2 08 3 Rotate the ribbon shift cam 1 so the ribbon guide 2 is at the top of the post...

Страница 152: ...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: ...ctory defaults LINE FEED Hold during power ON Activate Font Test To end Font Test press SELECT QUIET Press with printer deselected OFF LINE Activate Menu To exit press SELECT PARK TOF Hold during powe...

Страница 154: ...o customize the printers settings and features The Menu is made up of a number of Groups Each Group has a list of Items Each Item has several Settings Copyright 1997 Okidata Division of OKI America In...

Страница 155: ...Quality LQ 7 Go to Step A to print the current menu Go to Step B to change the menu Step A Press PRINT to print the current Menu Press EXIT to exit Menu Mode The printer will go ON LINE SELECT will li...

Страница 156: ...be lit 4 Press QUIET to enter Menu Mode 5 The line shown below will print Font Print Quality LQ 6 Press PRINT to print the current Menu 7 Press EXIT to save any changes and exit Menu Mode 8 The printe...

Страница 157: ...ML393 ML393CPlus Chapter 3 Maintenance Sample Menu Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this materia...

Страница 158: ...e Triple Smoothing No Yes General Control Emulation Mode Epson LQ IBM PPR IBM X24 AGM Graphics Bi directional uni directional Paper Out Override No Yes Print Registration 5 4 3 2 1 0 1 2 3 4 5 Operato...

Страница 159: ...nterface Max Receive Buffer 1 Line 8 K 23 K 40 K Optional Print Suppress Effective No Yes Auto Feed XT Invalid Valid Serial Interface Parity None Odd Even Appears ONLY when Serial Data 7 8 Bits 8 Bits...

Страница 160: ...lt settings follow this procedure 1 Print the Menu When the menu is reset ALL customized settings ARE LOST Printing the Menu provides a reference of customized settings 2 Power OFF the printer 3 Press...

Страница 161: ...r Limited Operation Procedure CAUTION Check with the system manager BEFORE changing the setting for the operator panel function 1 Verify that paper is loaded and that the ribbon is installed 2 Power O...

Страница 162: ...ELECT until the printer is OFF LINE SELECT will NOT be lit 3 The red line on the plastic ribbon protector indicates the base of the printing line Use this red line as a guide 4 Press and hold PARK whi...

Страница 163: ...tract from the paper path 5 Move the paper selection to the single sheet position towards the back of the printer 6 Raise the paper support to its upright position 7 Align the left paper guide with th...

Страница 164: ...packages pause occasionally while sending data to the printer If the pause lasts more than the selected interval the paper will advance to the tear off position until more data is received No data is...

Страница 165: ...d exit Menu Mode 12 The printer will go ON LINE SELECT will light Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates t...

Страница 166: ...2 Verify that the ribbon is correctly installed 3 Verify that the width of the installed paper matches the paper width menu setting 4 Press SELECT and place the printer OFF LINE SELECT will NOT be lit...

Страница 167: ...on 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...

Страница 168: ...End Sensor Wipe with dry cotton swab Paper Bail Sensor Wipe with dry cotton swab Platen Wipe clean with soft cloth and platen cleaner Printer Cover Clean with soft cloth and all purpose cleaner Copyri...

Страница 169: ...per dust is the most frequent cause of print quality problems in a dot matrix printer When lubricating the printer refer to the lubrication diagrams on the following pages Each lubrication point lists...

Страница 170: ...enance 3 5 02 Lubrication Schedule Once a year or Every 600 hours of operating time Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Страница 171: ...ars or cause print problems Type Amount Diagram Designation Oil Abundant PM A Machine Oil Medium 3 4 Drops PM B 10w 30 or equivalent Small 1 Drop PM C Grease Abundant GEP A Alvania grease 2 EP Moly lu...

Страница 172: ...ce Belt Ribbon Tractor Pins Platen Assembly Rubber Face Pressure Roller Rubber Face Head Cable Space Motor Printed Circuit Board Electrical Contacts and Connections Teeth of the gears in the Gear Case...

Страница 173: ...or Left and Right Sides of Printer Type Amount Diagram Designation Oil Abundant PM A Machine Oil Medium 3 4 Drops PM B 10w 30 or equivalent Small 1 Drop PM C Grease Abundant GEP A Alvania grease 2 EP...

Страница 174: ...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 175: ...haft Idle Gear Type Amount Diagram Designation Oil Abundant PM A Machine Oil Medium 3 4 Drops PM B 10w 30 or equivalent Small 1 Drop PM C Grease Abundant GEP A Alvania grease 2 EP Moly lube grease Med...

Страница 176: ...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 177: ...Assembly Type Amount Diagram Designation Oil Abundant PM A Machine Oil Medium 3 4 Drops PM B 10w 30 or equivalent Small 1 Drop PM C Grease Abundant GEP A Alvania grease 2 EP Moly lube grease Medium T...

Страница 178: ...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 179: ...oints Color Type Amount Diagram Designation Oil Abundant PM A Machine Oil Medium 3 4 Drops PM B 10w 30 or equivalent Small 1 Drop PM C Grease Abundant GEP A Alvania grease 2 EP Moly lube grease Medium...

Страница 180: ...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 181: ...ints Options Type Amount Diagram Designation Oil Abundant PM A Machine Oil Medium 3 4 Drops PM B 10w 30 or equivalent Small 1 Drop PM C Grease Abundant GEP A Alvania grease 2 EP Moly lube grease Mediu...

Страница 182: ...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 183: ...ing 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...

Страница 184: ...which RAP should be used to resolve the problem with the machine 6 Section 4 8 provides the procedures for various printer tests 7 Section 4 9 lists the resistance check points 8 Section 4 2 lists me...

Страница 185: ...umber 01 07 5 Firmware Part Number YR4077 1289 6 Character Generator Revision Number 01 00 7 Character Generator Part Number Not Shown 1 2 3 4 5 6 Copyright 1997 Okidata Division of OKI America Inc Al...

Страница 186: ...ilink 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 k...

Страница 187: ...ountry Telephone and Fax Numbers with area country access codes Product Name Units Serial Number Firmware Revision Level Description of Problem Document Name with page number or procedure with error o...

Страница 188: ...efer 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 Okidat...

Страница 189: ...ng the main control board be sure to remove any socketed PROMS and EEPROMS Replacement printed circuit boards are shipped WITHOUT these items When removing PROMs and EEPROMs you MUST follow standard E...

Страница 190: ...es freely 4 Record the status of the PRINT QUALITY and CHARACTER PITCH lamps 5 Refer to the Alarm Lamp Codes Table Section 4 6 6 Locate the error 7 Perform the designated corrective action Operational...

Страница 191: ...mbles the problem Power is not supplied to the printer Refer to RAP 01 No spacing operation Refer to RAP 02 ALARM lamp is blinking Refer to Section 4 6 NO The problem occurs during printing Refer to t...

Страница 192: ...cifications Paper specifications can be found in Section 1 of this Service Handbook 3 Always place the Head Gap Lever in the position appropriate for the paper that you are using Setting Paper Type 1...

Страница 193: ...ps jamming Verify that the top of form is set so that the paper is held in place by the bail bar If the top edge of the page is below the bail it will catch on the bail as it advances Do not use the F...

Страница 194: ...s out 3 Press QUIET to enter Menu Mode 4 The first Group Item Setting will print 5 Press GROUP until GENERAL CONTROL prints 6 Press ITEM until RESET INHIBIT prints 7 Press SET until VALID prints 8 Pre...

Страница 195: ...LATION MODE prints 7 Press SET until the desired emulation prints 8 Press EXIT to save the settings and exit the Menu Mode If the emulation is correct check the software documentation on how to select...

Страница 196: ...le The affected printers have a self test revision of 1 16 and are Epson IBM Models The ROM being replaced is Q1 of the Epson IBM personality module Any printer with a self test revision of 1 22 has a...

Страница 197: ...693 corrects this problem It also corrects premature power supply failures resulting from a graphics speed running above the specified duty cycle FCO 7681 FCO 7693 includes a program ROM insulating se...

Страница 198: ...ructions and a product update sheet The update sheet lists the functional enhancements incorporated into self test revision 2 04 The ROM at location Q6 of the main control board is replaced The self t...

Страница 199: ...these interface signals Firmware Revision 2 04 and above changes the printer menu The feature CPU Compensation is added Two settings are available for this feature Standard and Special Standard This...

Страница 200: ...roline 393C Plus Jumper SP2 has been added and is set on the A side for the masked ROM change NOTE The serial numbers for the production cut in of the change are listed below Configuration Serial Numb...

Страница 201: ...s Jumper Plug SP3 should be shorted for the Microline 393C Plus Jumper SP2 has been added and is set on the A side for the masked ROM change NOTE The serial numbers for the production cut in of the ch...

Страница 202: ...rol board has been modified EPROM socket location Q6 accepts four additional pins Either a 28 pin EPROM or a 32 pin Masked ROM may be installed with no changes and full compatibility No jumper changes...

Страница 203: ...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 204: ...r is not within specification Refer to Section One for paper specification Uneven Print Density Possible Causes Printhead gap not within specification Perform the printhead gap adjustment Defective pl...

Страница 205: ...tive line feed motor Replace the line feed motor Drifting Margin Possible Causes Power OFF the printer Move the carriage assembly The carriage should move smoothly If it does not remove the cause of t...

Страница 206: ...entify both the error condition and the recommended corrective action for each condition NOTE The Alarm Codes Table only applies in situations when the ALARM LAMP is flashing Alarm Codes Table Print Q...

Страница 207: ...board ON ON ON Print Over Run Error 51 Replace control board ON ON O N Print Stop Error 52 Replace control board ON ON O N ON Head Homing Error 53 Refer to RAP 03 ON ON ON O N EEPROM Write Error 56 Re...

Страница 208: ...ine Feed Problem N A Refer to RAP 08 Operator Panel Problem N A Refer to RAP 09 Data Receiving Problem N A Refer to RAP 10 Ribbon Shift Problem N A Refer to RAP 11 Copyright 1997 Okidata Division of O...

Страница 209: ...All RAPs begin with a START statement followed by questions or another type of statement 4 7 02 RAP Index Description RAP Number Power Lamp Does Not Light 01 Space Error ALARM 57 02 Head Homing Error...

Страница 210: ...Alarm Light Lit 10D Color Ribbon Shift Problems 11 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material...

Страница 211: ...the power supply unit Has the problem been resolved YES End of procedure NO Go to the next step listed below NO Are the 5 vdc and 38 vdc present on the control board Check for 38 vdc at both ends of...

Страница 212: ...resent on the control board Check on both ends of the capacitor C2 NO Are cables CN1 and CN5 on the control board correctly connected YES Replace the control board NO Connect them correctly Has the pr...

Страница 213: ...nd of procedure NO Contact Okidata Technical Support NO Are cables CN3 and CN7 on the control board correctly connected to the power supply unit YES Replace the power supply unit NO Correctly connect...

Страница 214: ...lever and ribbon shift arm YES Is cable CN2 on the sensor board connected correctly NO Connect it correctly YES Is cable CN4 on the control board connected correctly NO Connect it correctly YES Is the...

Страница 215: ...ct it correctly YES Are cables CN2 CN3 on the sensor board connected correctly NO Connect them correctly YES Is there dirt or dust on any of the sensors on the sensor board YES Clean the sensors NO Is...

Страница 216: ...the problem been resolved YES End of procedure NO Go to A NO Are cables CN3 and CN7 on the control board properly connected to the power supply unit NO Connect them correctly YES Replace the power su...

Страница 217: ...ge Manually shift the carriage to the left and to the right Does the ribbon feed shaft rotate NO Replace the ribbon feed assembly After the replacement adjust the backlash between the space motor gear...

Страница 218: ...eign matter or dust on the platen gear idle gear or drive gear YES Is cable CN6 on the control board connected correctly NO Connect it correctly YES Is cable CN101 on the interface connector board con...

Страница 219: ...t it correctly YES Is cable CN10 on the operator panel connected correctly NO Connect it correctly YES Replace the operator panel Has the problem been resolved YES End of procedure NO Replace the cont...

Страница 220: ...e cable connected correctly NO Connect it correctly YES Is cable CN101 on the interface connector board connected correctly NO Connect it correctly YES Is cable CN6 on the operator panel connected cor...

Страница 221: ...of procedure NO Replace the control board Has the problem been resolved YES End of procedure NO Perform the following 1 Replace the interface connector board 2 Replace the cable connected to CN6 on t...

Страница 222: ...e voltage Check at both ends of C8 for the negative voltage NO Replace the power supply unit YES Refer to RAP 10B Has the problem been resolved YES End of procedure NO Replace the power supply board H...

Страница 223: ...rrectly NO Perform the operations listed below 1 Correctly connect CN103 on the interface connector board 2 Replace the sheet feeder assembly L YES Does the single sheet end sensor function correctly...

Страница 224: ...m been resolved YES End of procedure NO Contact Okidata Technical Support Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any u...

Страница 225: ...bbon installed properly NO Correct the ribbon installation YES Go to C B Are CN4 on the control board and CN2 on the sensor board connected correctly NO Connect the cables correctly YES Replace the co...

Страница 226: ...s listed below 1 Ribbon shift cam and gear 2 Ribbon shift cam lever assembly Are they normal YES Replace the sensor board NO Correct the installation or replace the defective assembly Has the problem...

Страница 227: ...xadecimal Dump Mode The Rolling ASCII and Font Tests check print operations The Serial Interface Loopback Test checks the operation of the serial interface board The Hexadecimal Dump Mode checks the d...

Страница 228: ...erforming service or when contacting Okidata Have this test available during your service call Procedure CAUTION If 13 6 inch Paper Width is selected in the Menu and you run this test with 8 5 inch wi...

Страница 229: ...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: ...e Width Height LQ SWISS 18 point with Outline LQ SWISS 18 point with Shadow LQ SWISS Triple Width Height Header Information At the top of the printout you will see the Printer Model Emulation Country...

Страница 231: ...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: ...the messages listed below prints If the message OK prints the serial interface function has been tested and no problems were found If the message IF BAD prints the signal logic was tested and a probl...

Страница 233: ...Loopback Connector Configuration 1 Jumper the following pins together Pin 2 to Pin 3 Pin 4 to Pin 5 Pin 8 to Pin 11 Pin 6 to Pin 20...

Страница 234: ...cable requirements on the computers end The printer has the following cable requirements Shielded RS 232C cable UL and CSA approved No more than 50 feet long Cannon DB 25P plug or equivalent with 25 p...

Страница 235: ...Set Ready DSR To Printer Indicates that data can be sent 7 Signal Ground SG Ground Ground 8 to 10 Not Used 11 Supervisory Send Data SSD From Printer Indicates that the printer is not ready to receive...

Страница 236: ...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 237: ...CHR 27 0 CHR 30 This is an example of hexadecimal dump Below is the same line as it would appear in Hex Dump Mode This is an example of a hexadecimal dump 1B 30 1E 54 68 69 73 20 69 73 20 61 6E 20 65...

Страница 238: ...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 239: ...lus Chapter 4 Failure Analysis 4 9 RESISTANCE CHECKS 4 9 01 General Information The following resistance charts are included in this section Printhead Resistance Line Feed Motor Resistance Space Motor...

Страница 240: ...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 241: ...ysis 4 9 02 Printhead Resistance Check The resistance of each coil should be about 4 5 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exch...

Страница 242: ...s 4 9 03 Line Feed Motor Resistance Check The resistance of each coil should be about 5 6 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner E...

Страница 243: ...is 4 9 04 Space Motor Resistance Check The resistance of the motor should be about 11 4 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exc...

Страница 244: ...sis 4 9 05 Ribbon Motor Resistance Check The resistance of each coil should be about 34 ohms Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exc...

Страница 245: ...printed circuit boards used in the unit 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...

Страница 246: ...pter A Board Diagrams A 2 INDEX TO CHARTS Description Board Designation Section Main Control Board LQEM A 2 01 Power Supply N A A 2 02 Interface Connection Assembly LQPN A 2 03 Sensor Board LQEW or LP...

Страница 247: ...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 248: ...HORTED External ROM SP3 OPEN Monochrome Model SHORTED Color Model Sensors NONE Switches NONE Test Points 38vdc Printhead SP Motor LF Motor and Bail Ribbon motor drive voltage Check on both ends of Cap...

Страница 249: ...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 250: ...V Jumpers NONE Sensors NONE Switches NONE Test Points CN 1 Pin 6 38vdc CN 2 Pin 6 8vdc Pin 7 8vdc Pin 4 5vdc Pin 2 Signal Ground Pin 3 Signal Ground Copyright 1997 Okidata Division of OKI America Inc...

Страница 251: ...Centronics interface invalid SP102 A Side I Prime Signal of Centronics interface is valid B Side I Prime Signal of Centronics interface is invalid SP103 A Side 5 vdc is output to pin 18 of Centronics...

Страница 252: ...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 253: ...oard LQEW or LPRW Firmware NONE Fuses NONE Jumpers NONE Sensors Bottom Paper Sensor Bail Arm Sensor Ribbon Shift Sensor Located on sensor board in color model only CN1 Connector for Friction Feed Pape...

Страница 254: ...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: ...rator Panel Board LQSX Firmware NONE Fuses NONE Jumpers NONE Sensors NONE Switches NONE Test Points NONE Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Страница 256: ...rent 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...

Страница 257: ...r 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 BP...

Страница 258: ...chines 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 wh...

Страница 259: ...and technical information updates Okidata distributes the TSBs through Okilink II The TSBs are issued monthly Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bus...

Страница 260: ...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...

Страница 261: ...chanism Monochrome 2 of 3 B 2 07 Printer Mechanism Monochrome 3 of 3 B 2 08 Printer Mechanism Color 1 of 3 B 2 09 Printer Mechanism Color 2 of 3 B 2 10 Printer Mechanism Color 3 of 3 B 2 11 Carriage A...

Страница 262: ...Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 128 62405001 N A Printer Microline 393 Epson Black 120 V N A 128 62405002 N A Printer Microline 393 Epson Black 220 24...

Страница 263: ...N A Printer Microline 393 Plus Black 220 V N A 128 62408301 N A Printer Microline 393C Plus Color 120 V N A 128 62408302 N A Printer Microline 393C Plus Color 220 V N A Copyright 1997 Okidata Division...

Страница 264: ...B Illustrated Parts Listing B 2 02 Upper Cover Assembly Part numbers are subject to change Refer to Okilink II for current part numbers and pricing information Item Okidata P N Oki J P N Description...

Страница 265: ...6062G7 Cover Access Color RSPL 3 2 04 86 50212426 2PA4016 4723G26 Cover Middle ML393C RSPL 3 2 04 125 53482901 N A Lever Bail 3 2 04 126 51001901 N A Separator Paper 3 2 04 127 53482801 N A Guide Shee...

Страница 266: ...vice Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 03 Printer Unit General Assembly 1 of 2 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing...

Страница 267: ...ion 9 Pin RSPL 3 2 22 18 56614801 4YS4011 6253G3 Cord Power Connection 13 Pin RSPL 3 2 22 19 56609701 3YS4011 1315P1 Cord AC Power 120 vac RSPL 3 2 01 20 56624101 3YS4011 1265P1 Cable AC 220V ML Right...

Страница 268: ...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 269: ...vice Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 04 Printer Unit General Assembly 2 of 2 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing...

Страница 270: ...4 2PA4016 4722G4 Cover Acoustic Pull Tractor Option RSPL N A 125 53482901 N A Lever Bail 3 2 04 187 56301703 Fuse 2A 125 V 3 2 06 Items 104 105 and 106 are in the same location Item 104 Bottom Guide M...

Страница 271: ...ng information Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 6 55050601 4YA4042 1473G1 PCB Operator Panel LQSX RSPL 3 2 05 7 53479103 3PP4043 2712G3 Panel Opera...

Страница 272: ...1 3PP4016 5387P1 Lever Cover Open 3 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...

Страница 273: ...rvice Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 06 Printer Mechanism Monochrome 1 of 3 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing...

Страница 274: ...2 09 26 51214501 3PP4043 2466P1 Gear Platen A RSPL 3 2 09 27 51215001 4PP4043 2465G1 Pulley Platen RSPL 3 2 09 28 50054501 3YX4043 2561G1 Tractor Push Left Assembly RSPL 3 2 21 29 50054601 3PA4043 256...

Страница 275: ...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 276: ...rvice Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 07 Printer Mechanism Monochrome 2 of 3 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing...

Страница 277: ...21 45 50054301 4PA4043 2584G1 Assembly Ribbon Feed RSPL 3 2 13 46 50910701 4PP4043 2628P1 Spring Bail Arm Left RSPL 3 2 17 47 50910801 4LB 193100 2 Spring Bail Arm Right RSPL 3 2 17 48 56506301 3PP404...

Страница 278: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Страница 279: ...rvice Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 08 Printer Mechanism Monochrome 3 of 3 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing...

Страница 280: ...Paper Chute 3 2 19 111 51005401 3PP4043 2548P1 Beam Slide N A 112 51215601 4PP4043 2596G1 Pulley Idle 3 2 15 113 53327801 4PP4044 1282P1 Shaft Idle Pulley 3 2 15 114 51110301 4PP4043 2565P1 Shaft Carr...

Страница 281: ...19 184 Locking Shaft 3 2 21 185 Upper Drive Shaft 3 2 21 186 Lower Drive Shaft 3 2 21 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange B...

Страница 282: ...Service Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 09 Printer Mechanism Color 1 of 3 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing inf...

Страница 283: ...ten RSPL 3 2 09 28 50054501 3YX4043 2561G1 Tractor Push Left Assembly RSPL 3 2 21 29 50054601 3PA4043 2562G1 Tractor Push Right Assembly RSPL 3 2 21 30 51002301 4PP4043 2451P1 Friction Piece RSPL 3 2...

Страница 284: ...End RSPL 3 2 19 41 51214401 4PP4043 2458P1 Gear Idle Release Lever RSPL 3 2 09 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Страница 285: ...Service Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 10 Printer Mechanism Color 2 of 3 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing inf...

Страница 286: ...0201 5LR 193134 1 Gear Idle Bail Arm RSPL 3 2 17 50 53478401 3PP4043 2504P1 Lever Printhead Gap Adjust RSPL 3 2 18 51 50054401 4PA4043 2711G1 Assembly Indicator Shaft RSPL 3 2 17 52 53478501 3PP4043 2...

Страница 287: ...A4042 1462G2 PCB Sensor LQEW 2 Color RSPL 3 2 12 97 50910901 4PB4043 3240P1 Spring Brake A RSPL 3 2 27 98 50911001 4PP4043 2783P1 Spring Brake B Color RSPL 3 2 26 Copyright 1997 Okidata Division of OK...

Страница 288: ...Service Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 11 Printer Mechanism Color 3 of 3 Part numbers are subject to change Refer to Okilink II for current part numbers and pricing inf...

Страница 289: ...y Paper Chute 3 2 19 111 51005401 3PP4043 2548P1 Beam Slide N A 112 51215601 4PP4043 2596G1 Pulley Idle 3 2 15 113 53327801 4PP4044 1282P1 Shaft Idle Pulley 3 2 15 114 51110301 4PP4043 2565P1 Shaft Ca...

Страница 290: ...2 19 Locking Shaft 3 2 21 Upper Drive Shaft 3 2 21 Lower Drive Shaft 3 2 21 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Страница 291: ...ange Refer to Okilink II for current part numbers and pricing information Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 55 51303101 4PB4044 1492P3 Belt Mini Pit...

Страница 292: ...3 2 11 96 50057601 2YX4043 2610G3 Carriage Black Assembly RSPL 3 2 18 119 N A N A Spacer Round 3 2 18 120 51005501 4PP4044 1340P1 Guide Slide 3 2 18 Copyright 1997 Okidata Division of OKI America Inc...

Страница 293: ...ent part numbers and pricing information Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 55 51303101 4PB4044 1492P3 Belt Mini Pitch Space RSPL 3 2 15 56 56614201...

Страница 294: ...368 1 Clamp Belt RSPL 3 2 15 93 N A N A Screw 3 2 24 94 N A N A Clamp 3 2 11 95 50069401 2YX4043 2719G3 Carriage Color Assembly RSPL 3 2 18 100 50605701 4PP4043 2615P1 Post Ribbon Guide Color RSPL 3 2...

Страница 295: ...Page 185 Service Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 14 Options Part numbers are subject to change Refer to Okilink II for current part numbers and pricing information...

Страница 296: ...601 3PA4016 4722G1 Cover Acoustic Pull Tractor Option N A 123 50212604 2PA4016 4722G4 Cover Acoustic Pull Tractor Option RSPL N A 124 53480901 N A Cut Sheet Feeder Output Tray Option N A 130 55033301...

Страница 297: ...RS232 C Serial Interface Option Both 3 2 01 3 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...

Страница 298: ...numbers and pricing information Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 90 50057401 4PA4043 2684G1 Tractor Pin Left Pull Tractor Assembly Option N A 91 50...

Страница 299: ...Lock N A 177 53535501 2PP4043 2687P1 Frame Side Right N A 178 53535601 2PP4043 2686P1 Frame Side Left N A 179 54123306 P SW W 3 6 23D Screw N A 180 51223501 4PP4043 2689P1 Gear Drive N A Copyright 199...

Страница 300: ...ge 187 Service Guide ML393 ML393CPlus Chapter B Illustrated Parts Listing B 2 16 Packing Materials Part numbers are subject to change Refer to Okilink II for current part numbers and pricing informati...

Страница 301: ...Item Okidata P N Oki J P N Description Comments Refer to B 1 02 Disassembly Procedure 138 53460209 Overpack ML393 N A 139 53477201 Box ML393 Epson N A...

Страница 302: ...nd Cap Left ML393 N A 144 53528902 End Cap Right ML393 N A 145 53532001 Box ML393 N A 146 53532101 Box ML393 Color N A 147 53532501 Foam Spacer ML393 N A Copyright 1997 Okidata Division of OKI America...

Страница 303: ...ki J P N Description Comments Refer to B 1 02 Disassembly Procedure 108 52103601 N A Cartridge Ribbon Black Consumable 3 2 01 108 52103701 N A Cartridge Ribbon Color Consumable 3 2 01 108 52103801 N A...

Страница 304: ...e 393 Plus 393C Plus Service Training Document Includes 2 14 B N A 1 C 58218602 N A Kit Microline 393 Plus 393C Plus Service Training Document Includes 2 7 C N A 188 58057001 N A Guide Customer Servic...

Страница 305: ...Literature Order Form Fax the completed form to Okidata Marketing Communications Obtain this form by faxing a request to Okidata Marketing Communications Refer to the Service Center Reference Guide fo...

Страница 306: ...20 Document Both N A To order Marketing Literature complete an Okidata Marketing Literature Order Form Fax the completed form to Okidata Marketing Communications Obtain this form by faxing a request t...

Страница 307: ...us Service Training Document Includes 2 14 B N A 2 B 52043101 N A Label Kit Document Part of 1 B N A 3 B 58057901 N A Letter Cover Document Part of 1 B N A 4 B 59241701 N A Guide Study Document Part o...

Страница 308: ...Label Kit Document Part of 1 C N A 3 C 58057902 N A Read Me First Document Part of 1 C N A 4 C 59241602 N A Handbook Service Document Part of 1 C N A 5 C 59251002 N A Guide Microline 393 393C Plus Re...

Страница 309: ...P N 58215501B Microline 320 321 Service Training Kit This kit was replaced by P N 58215502 This kit was part of the Microline 300 Series Training Kit P N 58215601 Item Okidata P N Oki J P N Descriptio...

Страница 310: ...Z 59230301 N A Guide Reference Microline 390 391 Document Part of 1 Z N A 7 Z 59230601 N A Manual Training Microline 390 391 Document Part of 1 Z N A 8 Z 59231001 M 520656 Issue 1A Manual Maintenance...

Страница 311: ...t of 1 A N A 7 A 59228001 N A Package Training Microline 393 Document Part of 1 A N A 8 A 59227402 M 520565 2D Manual Maintenance Cut Sheet Feeder 3001 3002 Document Part of 1 A N A Copyright 1997 Oki...

Страница 312: ...oline 393C are high speed dot matrix printers which utilize a 24 pin printhead The Microline 393 is a standard version single color output The Microline 393C is a color capable version The printers ar...

Страница 313: ...C 2 03 Line Feed Time 55 ms 6 LPI 8 0 IPS inches per second slew rate gap 1 2 6 0 IPS inches per second slew rate gap 3 C 2 04 Paper Feed Method Built in push tractor Friction feed C 2 05 Paper Out D...

Страница 314: ...Set IBM Character Set I and Set II IBM Proprinter All Character Set International Characters Line Graphics Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busin...

Страница 315: ...01 Types Letter Legal Labels Bottom feed only Continuous Forms C 3 02 Weight 12 24 lb 16 24 lbs Cut Sheet Feeders C 3 03 Number of Copies 1 4 Copyright 1997 Okidata Division of OKI America Inc All rig...

Страница 316: ...PHYSICAL SPECIFICATIONS C 4 01 Printer Dimensions Width 16 42 Height 7 09 Depth 22 44 C 4 02 Printer Weight 37 lbs Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDA...

Страница 317: ...TS C 5 01 Input Power Input Voltage 120 VAC 10 15 220 240 10 15 Frequency 50 60 hz 2 C 5 02 Power Consumption 180 VA during Self Test Copyright 1997 Okidata Division of OKI America Inc All rights rese...

Страница 318: ...peration 41 F to 104 F 20 80 Relative Humidity While in storage 40 F to 158 F 5 95 Relative Humidity C 6 02 Printer Noise Level 10 cpi LQ Mode Standard noise level 58 dba Quite mode noise level 55 dba...

Страница 319: ...AGENCY APPROVALS C 7 01 Listings North America FCC Class B UL 478 Office Machines and Business Equipment CSA 22 2 154 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKI...

Страница 320: ...ders CSF 3001 Single bin Cut Sheet Feeder CSF 3002 Dual bin Cut Sheet Feeder C 8 04 Pull Tractor Assembly The Pull Tractor Assembly is required for bottom feeding A Pull Tractor Assembly must be used...

Страница 321: ...or Cartridge Microline 393C Type Four band color ribbon Yellow Magenta Cyan Black Black 2 3 million characters Ribbon Life Cyan 1 8 million characters Ribbon Life Magenta 1 8 million characters Ribbon...

Страница 322: ...ont Cartridges 64 Kbytes each C 10 02 RAM Total RAM 64 Kbytes Print Buffer 23 Kbytes IBM I F Buffer 0 Kbyte minimum Epson I F Buffer 8 Kbyte minimum DLL Buffer 0 to 32 Kbytes C 10 03 EEPROM Internal C...

Страница 323: ...02 Mean Time To Repair MTTR 15 minutes major sub assembly level C 11 03 Printer Life 12 000 hours 25 Duty 35 Page Density C 11 04 Printhead Life 200 Million Characters average 10 cpi Draft Mode 25 Dut...

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