Home

Pacemark 4410

1. 75 40588601 Pan Washer Tractor Rear 2 76 40509601 Center Guide U 1 77 3PP4043 2453P001 Center Guide Lower A 1 78 40509701 Guide Lower B Center 1 79 4PP4043 2451P001 Friction Piece 1 80 40510501 Change Motor Bracket Assy 1 81 40511101 Tractor Change Lever 1 82 40794401 Tractor Change Lever SP 1 83 40615101 LF Motor 1 84 4LP 1313 33 Mini pitch Belt 1 85 40511201 LF Gear 1 86 40511301 Tractor Change Gear 1 87 4LB 190700 A Coil Spring 1 88 4PP4044 2800P001 Idle Roller 1 89 40511401 Pulley Assy Idle 1 90 40534201 Bail Open SW Front Tractor ONSW Cord 1 91 40141301 Slit Disk 1 92 40472401 Change Motor 3 93 4PP4044 3594P001 Idle Gear C 1 94 5LR 191324 Tractor Idle Gear 1 95 40512501 AG Motor Bracket Assy 1 96 40751101 PGA Printed Circuit Board Specs only 1 PGA PCB 97 40534601 AG Slit Sensor Cord 1 98 40513901 JAM Sensor Assy 1 99 40533901 Paper JAM Bail PE Sensor Cord 1 100 40646401 Knob Bracket Assy 1 101 40794501 Knob Cover 1 102 40646101 Idle Gear Shaft 1 103 4PP4043 2502P001 CSF Drive Gear 1 104 4PP4044 4193P001 Adjust Knob 1 105 SPP3 14SUS Spring Pin 1 106 4PP4043 1895P001 Stacker Gear 1 107 40750801 PHA Printed Circuit Board Specs with I F 1 Board and Bracket 108 40533801 I F Connection Cable HIROSEFC68 1 109 40750901 PRA Printed Circuit Board Specs only 1 Trunk Board
2. No OKI Part OKI J Part Name Qty Per Unit 1 40538101 Printhead PM4410 1 2 40677101 Cover Assy Lower 1 3 40677201 Cover Assy Front 1 4 5 40677401 Door Assy Front 1 6 40768901 Plate Front Sticking 1 7 40520201 Cover Assy Access 1 8 40677601 Cover assy Side L 1 9 40677901 Cover assy Side R 1 10 40678301 Frame assy Rear 1 11 40678901 Frame Opepane Sticking 1 12 40520501 Cover Rear B 1 13 40627701 Guide Paper B 1 14 40738901 Cover Brank Lower 1 15 40777901 Plate earth Cover Rear 1 16 40658201 Guide Sheet 1 17 40498801 Spring Pressure 3 18 3PP4053 3795P001 Pressure Roller Piece 3 19 4PB4044 1358P002 Stopper 2 20 4PB4035 4456P001 Bearing 2 21 4LP 6418 13 Ball Bearing RSF 12 8 W 3 5 4 22 40608401 Drive Gear C 1 23 40608301 Drive Bear B 3 24 4PP3520 1306P001 Idle Gear 3 25 40555001 Bearing Metal Bail 2 26 40511801 Lever Bail Lift L 1 27 40511901 Lever Bail Lift R 1 28 40499601 Bail Assy 1 29 40791701 Spring Bail 2 30 40745501 Screw Stud 1 31 40609201 Bail Gear Bracket Assy 1 32 40608501 Bail Motor Bracket Assy 1 33 4PP4122 1285P001 Gear 219 252 3 34 4LR 200494 Brake Gear 2 35 40500801 AG Sensor Lever Assy 1 36 40501201 AG Sensor Coil Assy 1 37 40513401 Sensor Lever Assy 2 3
3. No Parts No Name Qty _ Remarks 1 40496601 Printer Unit 1 2 50319002 Cup Screw with Washer 3 40538101 Serial Dot Matrix Print Head PM4410 4 40750403 PMA PDA PCB 1 5 6 40414001 Power Unit 1 7 40677101 Cover Assy Lower 1 8 40677201 Cover Assy Front 1 9 40677202 10 40677401 Door Assy Front 1 12 40520201 Cover Assy Access 1 13 40677601 Cover Assy Side L 1 14 40677901 Cover Assy Side R 1 15 40678301 Frame Assy Rear 1 16 40755801 Frame Assy OpePane 1 17 40520501 Cover Rear B 1 18 40627701 Guide Paper B 1 19 40738901 Cover Blank Lower 1 20 40777901 Plate Earth Cover Rear 1 21 40533301 Connection Cord Wire 1 22 56616806 Nylon Connector Cord 1 23 Label 1 24 Label Fuse 1 25 55505203 TFC 20 10 10 Beads Core 1 26 Cover Cable 1 27 34 Screw 35 40658201 Guide Sheet 1 36 Mechanical Clamp L 1 37 Mechanical Clamp R 1 eee ss 99 99 amp ss Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 132 OKI Service Guide for PM4410 Chapter 8 Parts List Printer Unit 1 of 3 No OKI Part OKI J Part Name Qty Per Unit 1 40538101 Printhead PM4410 1 2 40677101 Cover Assy Lower 1 3 40677201 Cover Assy Front 1
4. Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 82 OK YT Service Guide for PM4410 Chapter 6 Maintenance 10 Head Fan1 HDFANIDV P HDFAN1ALM P Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 83 OK YT Service Guide for PM4410 Chapter 6 Maintenance 11 Head Fan2 PMA PCB Head Fan2 HDFAN2DV P HDFAN2ALM P ore SG Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 84 OK YT Service Guide for PM4410 Chapter 6 Maintenance 12 Power Fan PMA PCB POWFANDV P POWFANALM P SG PHA PCB CNT CN13 Power Fan ge a FH Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 85 OK Y Service Guide for PM4410 Chapter 6 Maintenance 13 Space slit sensor Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com
5. 2 Line feed motor 3 Space motor 4 Ribbon motor 5 Path change motor 6 Auto gap motor 7 Bail motor 8 Space Fan1 9 Space Fan2 10 Head Fan1 11 Head Fan2 12 Power Fan 13 Space slit sensor 14 Auto gap slit sensor 15 Cover Open Switch Ribbon Jam Sensor 16 Optical Sensor 17 Sheet Top Locating Sensor Auto Gap Core 18 Paper Jam Sensor Bail Paper End Sensor 19 Bail Open Switch Front Tractor on Switch 20 Front Tractor Paper End Switch 21 Rear Tractor Paper End Switch 22 Power Supply Unit 23 Operation Panel 24 Standard Interface 25 Short Plug 26 others 27 MUPIS Interface Option 28 Option Interface 29 Continuous form Paper Cutter Option ee Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide for PM4410 Chapter 6 Maintenance Page 73 1 Printhead Resistance of ech coil should be about 5 8 Ohms HOT101 4N HOT2001P HOT1402 N HTP HOT1 OG4N HOoT2003 P HOT104 N HTDP HOT1 05 4N HOTAME P HOT106 N HOT2006 P HOT1 07 N HOTa007 P HOT106 N HOTA O8P HOT102N HOT2 0RP HOT1 104N HOTA 10P HOT1 11 4N HOT20 11 HOT1 12 N HOTA012P HOT1 134N HOTA HOT1 14 4N HOTA014 P HOTIASN HOT20 15 P HOT1 164N HOTAH6P HOTVAI7 N HOT20 17 P HOT1 184N HOTZ 16P HO THNGN HD THALMN HOALMLOWN H
6. 2 2 7 Paper End Detection Mechanism Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 23 OK Service Guide for PM4410 Chapter 2 Operation 2 2 1 Printhead mechanism and operation The printhead is a spring charged 18 pin driving head using a permanent magnet It is attached to the carriage which moves in parallel with the platen Electrically this unit is connected to the control circuits through the control board 19 170 inches V120 inches 2 120 inches x4 2120 inches x4 i i F i 3 5 I D p Pi 2 120 inches Hee 1 2 120 Inches p Io a me N 1 yo 1 i N i E ato tatt H salan a a asa sadha on is Ps Ae kN OO A ras WOE SE Sg rp gI 2 inches 0035 x8 risi 17 Figure 2 20 Arrangement of the head pins View from the tip of the printhead 1 The printhead configuration The printhead is composed of the following parts a Wire guide b Armature assembly Wire Armature Spring Yoke Spacer c Magnet assembly Magnet core coil Yoke d Printed circuit board 2 Motion of Printhead Figure 2 14 The armature usually looses the armature sprint with a permanent magnet making it to be attracted by the core In this time the print wire integrated with the armature is also in reset state When the magnet coil is energized by
7. Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 38 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 6 I F Board PHA Printed Board 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unscrew the screw 1 and remove Cable Holder 2 3 Unscrew 2 screws 3 and remove I F Board Holder Cover 4 4 Unplug all the connectors to I F Board PHA Printed Board 5 5 Unscrew the screw 6 and 4 screws 7 then remove I F Board PHA Printed Board 5 and I F Board Holder 8 together 6 Unscrew 2 screws 9 and remove I F Board PHA Printed Board 5 7 For installation reverse the removal procedure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 39 OKI Service Guide for PM4410 Chapter 3 Disassembly 3 3 7 AG Board PGA Printed Board Connector Cord 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug the connectors 10 to Junction Board PRA Printed Board CN3 9 3 Unscrew the screw 1 4 Remove AG Board Holder A 2 AG
8. Plate Front stuck See 3 3 1 2 Unplug the connector 2 from Operator Board POA Printed Board CN1 1 3 Unscrew 2 screws 3 and Remove Operator Block Assy 4 4 Unplug the connector 8 from Operator Board POA Printed Board CN2 1 5 Unscrew 3 screws 5 and release 3 claws then remove Operator Board POA Printed Board 1 from Operator Block Assy 4 6 Unscrew 4 screws 6 and remove LCD Unit 7 7 For installation reverse the removal procedure an M Claws Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 49 OKI Service Guide for PM4410 Chapter 3 Disassembly 3 3 17 Ribbon Feed Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug the connector 1 from Junction Board PRA Printed Board CN9 7 3 Unscrew 2 screws 2 and remove Ribbon Feed Assy 3 4 Release the cord wrapping tie 4 and unscrew 2 screws 5 then remove the motor 6 5 For installation reverse the removal procedure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 50 OKI Service Guide for PM4410 Chapter
9. Error Category Comments Remedies RAM ALARM D RAM Error ROM ALARM S RAM Error EDCRERARORRRE Plelolelalal Re M Program ROM Error CG ROM Error EEF IRM LTT TTT TT EEPROM Error PROGRAM ALARM TTT TT TT TT TT TT TT dor TET EE EE TT TT I Watch Dog Time Error TTT TT TTT Tt Wad oh TPT TTY TY Invalid Input Error ENGINE ALARM STPiacLi is LETT LT LL Spacing Error Refer to flow chart 2 FERRE RRRRRRR ERE lo BIST TT TTT YT Homing Error Refer to flow chart 3 TTT TT TTT TT TT TT Fluistel TTT TT TTI T TL Fuse Breakdown Refer to flow chart 1 TTT TT TT TT TT TT TT ELL 7 Helal IS re FRY Head Thermister Failure AJUJ TIO GJA P Auto Gap Error PIAITIH E HJA Jh o Path Change Error TTT TTT TT TTT TT ClEPMTIELR WET LT TT TT a es Centering Error LETT TT TTT TT TT Plow El FRN TT TY TT Power Fan Failure Hlelalol ki FNI Head Fan 1 Failure TTT ETO RTFM TTT TT Head Fan 2 Failure TTT TT TT TT TT TT TT SIPS F Space Motor Fan Failure No BITIT NHDC LSI Error SERREREREREREREE Ae Main LSI Error Bail Motor Error ENGINE ALARM Ribbon Motor Error Refer to flow chart 5 ETT TT ojei ela IsjeltsjojR Paper Width Sensor Error OPERATION PANEL ALARM Helli Miel pluk I LCD Time out Error ATT Elbisi
10. Page 86 OK YT Service Guide for PM4410 Chapter 6 Maintenance 14 Auto gap sensor Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 87 OK YT Service Guide for PM4410 Chapter 6 Maintenance 15 Cover Open Switch Ribbon Jam Sensor COVEROPN 1sw P 43 __ lt RTRCOVEROPNSW P RBNSEN P SNS5V 1 ATRCOVEROPNSW is unused 18002 1 4W Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 88 OK YT Service Guide for PM4410 Chapter 6 Maintenance 16 Optical Sensor Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 89 OK YT Service Guide for PM4410 Chapter 6 Maintenance 17 Sheet Top Locating Sensor Auto Gap Core Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 90 OK YT Service Guide for PM4410 Chapter 6 Maintenance 18 Paper Jam Sensor Bail Paper End Sensor 1500 1 4W Copyright 1998 Okidata Division of OKI America Inc
11. opx okidata com Page 139 OK Service Guide for PM4410 Chapter 8 Parts List Sprocket Assembly R Sprocket Assy R 40508101 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 140 OK Service Guide for PM4410 Chapter 8 Parts List Sheet Feeder Assembly L Rear Note Assembly shaukl ke dane meeting tre protrusion 14 te the pin 4 Sheet Feeder Assembly L Rear P N 40508701 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 141 OK Service Guide for PM4410 Chapter 8 Parts List Sheet Feeder Assembly R Rear Mols Assurnibly should ba dorna mesliny lha pro rosion amp lo Ihe pin 4 Sheet Feeder Assembly R Rear P N 40509101 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 142 OK Service Guide for PM4410 Chapter 8 Parts List Bail Assembly Bail Assembly P N 40499601 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com
12. white painted part Service Tools Table 3 1 shows the tools required for field replacement of printed circuit boards and units Table 3 1 Service Tools No 1 100 Philips 1 Le screwdriver No 2 250 Philips 1 3 5 mm screws screwdriver Magnetized i we ae ee ee C ee 450MZ 1 1 Ibs 500g ber pressure gauge O7 ca Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 31 OK Service Guide for PM4410 Chapter 3 Disassembly 3 2 Parts Layout Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 32 OK i Service Guide for PM4410 Chapter 3 Disassembly 3 3 How to Change Parts This section explains how to change parts and assemblies appearing in the disassembly diagram below 3 3 1 Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck 3 3 2 Printer Unit 3 3 3 Control Block Control Board PMA Printed Board Driver Board PDA Printed Board 3 3 4 Power Supply Assy 3 3 5 PG Cooling Fan 3 3 6 I F Board PHA Printed Board 3 3 7 AG Board PGA Printed Board Connector Cord 3 3 8 AG Motor Assy 3 3 9 Mini Pitch Belt 3 3 10 Tractor Change Motor Assy 3 3 11
13. 2 Find out as many details of the trouble as possible from the customer 3 Inspect in the conditions as close as possible to those at the time the trouble occurred 4 Proceed with the repair as follows Check the trouble status according to Table 6 1 for the details of the trouble Then locate the trouble position according to the detailed flowchart 5 Carry out a thorough test after the repair to check for correct functioning Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OKu Service Guide for PM4410 Chapter 6 Maintenance Page 69 6 2 Troubleshooting Table Table 6 1 Status Details Flowchart Item No Trouble upon power on Power is not supplied 1 No spacing operation Homing does not end normally Trouble during printing Wrong character character omission or dot omission Ribbon feed trouble Line feed trouble Malfunction of switch on operation panel Data receiving failure Data is entered but the paper does not feed The ALARM indicator on the printer is lit The SELECT indicator on the printer is off Paper jam while paper inset Smearing Missing dots Faint or dark print S Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busine
14. 42 40474701 Space Belt 1 43 40099101 Spring Lift Arm 2 44 40622101 Head Cable Guide 3 45 40503401 Guide Assy Ribbon 1 46 40627101 SP Motor 1 47 4PB4044 4138P001 Idle Pulley 1 48 4PP4044 4155P001 Pulley Shaft 1 49 4PB4044 4357P001 Tension Spring 1 50 40507901 Space Motor Fan 1 51 40719201 Head Cooling Fan 2 1 52 40505501 Head Cooling Fan 1 1 53 40505801 PG Cooling Fan 1 54 40887401 Ribbon Assy Feed 1 55 40458201 Motor Ribbon 1 56 4PP4044 4232P001 Waved Washer 1 57 40630001 Drive Pulley 2 58 4PP4053 1321P001 LF Knob Gear 1 59 40588401 Pan Washer Feed 1 60 40507401 Washer 1 61 4PP4043 2590P001 Bush 2 62 40507601 Sprocket Assy L 1 63 40508101 Sprocket Assy R 1 64 40508301 Front Tractor Drive Gear 1 65 4PP4044 3489P001 Tractor Bush 4 66 40508401 Washer 1 67 40588501 Pan Washer Tractor Feed 1 68 5LR 123467 Sheet Guide 2 69 40508701 Sheet Feeder Assy L Rear 1 70 40509101 Sheet Feeder Assy R Rear 1 71 40778401 Rear Tractor Drive Gear 1 72 4PP4044 4268P001 Drive Gear B 1 73 40555501 Rear Tractor Bush 4 74 40509501 Washer 2 75 40588601 Pan Washer Tractor Rear 2 76 40509601 Center Guide U 1 77 3PP4043 2453P001 Center Guide Lower A 1 78 40509701 Guide Lower B Center 1 79 4PP4043 2451P001 Friction Piece 1 80 40510501 Change Motor Bracket Assy 1
15. As the off line mode is released shifted to on line after platen reverses the AG motor drives the platen to the direction that the space between the print head and platen becomes narrower The rotational force of the AG motor moves the platen to the print head in the direction that the space becomes narrower through various idle gears and adjusting cam After that the AG plate impinges on the paper and the AG frame is deflected changing the core gap of the auto gap sensor located on the AG frame When the change of the core gap is detected the AG motor stops rotating Next the AG motor reverse rotates only a fixed step and stops This allows the platen move backward obtaining an proper space with the print head The forward an backward motion of the platen is driven by the adjusting cam being rotated and the platen is always pulled to the rear of the unit by the spring 1 AG detection mechanism Carriage frame Platen sheet guide Moving direction of platen Eccentric collar Deflecting direction of sensor frame Cam roller Figure 2 23 2 AG sensor slit disk driving mechanism Platen AG motor pulse motor Eccentric collar G Slit sensor Slit disk Figure 2 24 3 AG detector detail drawing Head AG plate OQ Paper AG plategap 1 l 4 URE DE a i 2 8 AG sensor flame Ferrite core Figure 2 25 Copyright 1998 Okidata Division of OKI America Inc All rights reser
16. Circuit board PRA Connection Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 154 OKT Service Guide for PM4410 Chapter A PCB Layout 6 Circuit board PGA Sensor ENE CN1 O Q SN1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 155 OK Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 1 General This section describes the operation of the RS 232C Serial Interface board installed in the Printer as an standard using a start stop synchronization and serial communications circuit This serial interface board is capable of transmitting and receiving simultaneously at speeds up to 19 200 bits per second Two protocols are available printer Ready Busy and X ON X OFF modes This serial interface board has been installed in your Pacemark 4410 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 156 OK Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 Operation Description 2 1 Element Description 2 2 Circuit Description 2 3 Local Test Copyright 199
17. Connect the cables properly Check the wave form of DC Motor Slit Sensor Proper wave form output A Examine between Slit Sensor Cord Connector 2 pin under Space Motor and PRA Board Exar between Slit Sensor Cord Connector 1 pin under Space Motor and PRA Board Yes No Replace Space Motor Check conduction of A Pin 1 and B Pin 2 at the both ends of the junction sensor cable black shielded cable Normal conduction Yes No Replace the junction sensor cable Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 106 OK Y Service Guide for PM4410 Chapter 7 Troubleshooting 5 Carriage does not operate at all while the Alarm Lamp is on and ERROR AUTOGAP is displayed on LCD e Platen works normally during initialization Yes No B The cables to PRA Board CN1 and CN2 connected properly Yes No Connect the cables properly The cable to PMA Board CN2 connected property Yes No Connect the cable properly The gears existing between Auto Gap Motor and Platen in normal position Yes No Mount the gear properly Replace it if damaged It Auto Gap Motor gear is broken replace the whole Auto Gap Motor Check Auto Gap Motor wave form at PRA Board during initialization No problem OVDV Examine between CN2 6 pin and SH6 01 Examine between CN2 4 pin and SH6
18. Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK YT Service Guide for PM4410 Chapter 7 Troubleshooting Page 112 11 Printer does not operate at all while the Alarm Lamp is on and ERROR FUSE is displayed on LCD The cable to PMA Board CN3 connected properly Yes No Connect the cable property The cable to Printer Unit Connector DCOUT2 connected properly Yas No Connect the cable property PMA Board F1 and F2 mounted Yes No Install them PMA Board F1 and F2 blown No Yes Replace the blown out fuse Recovered No Yes End Tum Printer on with PMA Board CN2 and CN6 unplugged Are the fuses blown No Yes Which fuse is blown F1 or F2 F1 F2 Short circuit occurs at PDA Board between HTA1 5 pin and 4 pin and between HTA1 1 pin and 2 pin No Yes Replace PDA Board Raplace PMA Board Replace PMA Board Turn Printer on with PMA Board CN2 unplugged Are the fuses blown No Yes No junction cable failure at BailPath Change LF motors and between PMA Board and PHA Board No Yes Replace the damaged cable if any Replace PHA Board No junction cable failure at Ribbon Space Auto Gap motors and between PMA Board and PRA Board No Yes Replace the damaged cable if any Replace PRA Board Replace Power Supply Unit Copyright 199
19. Page 143 OK Service Guide for PM4410 Chapter 8 Parts List Lower Cover Assembly Lower Cover Assy P N 40677101 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 144 OK Service Guide for PM4410 Chapter 8 Parts List Front Cover Assembly Front Cover Assembly P N 40677201 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 145 OK Service Guide for PM4410 Chapter 8 Parts List Rear Cover Assembly Rear Cover Assembly P N 40678301 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 146 OK Service Guide for PM4410 Chapter 8 Parts List Access Cover Access Cover P N 40520201 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 147 OKT Service Guide for PM4410 Chapter 8 Parts List Frame Assembly OpePane Frame Assembly OpePane P N 40755801 Copyright 1998 Okidata Division of OKI America Inc All rights reserv
20. 1 Specifications 1 3 Option Specifications Options available for Pacemark 4410 are as follows 1 Interface boards a 70034401 OkiLAN 6010e Pocket Printer Server b 70034201 OkiLAN 6100e 10 100 Base TX Ethernet Internal Print Server b Okidata Microline 300 500 Series Serial HSP Adapter e RS422A e Current Loop Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 5 OK i Service Guide for PM4410 Chapter 1 Specifications 1 4 Basic Specifications 1 Dimensions Width 768mm 30 24 inches Length 385mm 15 16 inches Height 358mm 14 09 inches 2 Weight Approx 42kg 92 6 Ibs 3 Form Continuous Paper One part paper Ream weight 45 to 90g m 12 to 24 Ibs Multiple part paper Max 0 79mm 0 031 inches total thickness with front feed Max 0 36mm 0 014 inches total thickness with rear feed Paper type Ream weight Number of sheet Carbon lined paper 35 to 40 g m Ten sheet maximum including original with front feed 9 to 11 Ibs Pressure sensitive paper Interleaf paper Paper 35 to 52 g m Seven sheets maximum including original with front feed 9 to 14 Ibs Four sheet maximum including original with rear feed Carbon paper 34 g m 9 Ibs When 7 parts or more papers are used for the front tractor High Impact Copy should be
21. 110 2051001P1000 Interlock SW AV14053 1 111 40785101 Interlock SW Connection Cord 1 112 40514401 Cover Open Lever 1 113 40514501 Interlock Switch Lever 1 114 40552901 Interlock Switch Lever SP 1 115 40534501 Cover Open SW Ribbon Sensor Rotation 1 Cord 116 40798701 Locking Wire Saddle 10 117 40798702 Locking Wire Saddle 10 118 40652901 Continuous Form Cutter Code 1 119 40820601 Operation Panel Code with Core 1 120 40795002 One Touch Bush 5 121 4LP 6693 3 Flat Cable Clip FCC 225 19 1 76 2 1 122 4LP 6401 B1 Tie Wrap SHT18R HS TY 23M 1 123 4LP 6342 2 Wire Bundle Clamp 2 124 3200561 J0620 Brake Resistor 62 Ohms 15W 1 125 3200560J0120 Oscillation Resistor 12 Ohms 40W 2 126 4PB3529 5116P001 Tapping Screw 127 4PB4013 3100P006 Cup Screw S Tight M3 128 4PB4053 1883P002 Cup Screw with Washer 6 129 40750403 PMA Printed Circuit Board Specs no 1 ROM with Bracket Sheet amp Fuse 130 131 540A2067T1632 Fuse 237 06 3 1 132 540A23036M1502 Fuse GGS5 1 133 40751201 Control ROM Writing Specs 1 134 40751301 Font ROM Writing Specs 1 135 136 137 40750701 PDA Printed Circuit Board Specs with 1 Driver Board and Bracket 138 40414001 Power Supply 1 139 40534401 Trunk Board Cord 1 140 40785001 SP Slit Sensor Cord 1 141 40751001 POA Printed Circuit Board Specs only 1 Operation Panel Board 142 40742901 LDC Assy with Cord and Core 1 143 40533301
22. 28 Paper Jam Sensor Assy Bail PE Sensor Assy 60 3 3 29 Sprocket Assy L R Front Tractor 61 3 3 30 Sheet Feeder Assy L Rear Sheet Feeder Assy R 62 Rear 3 8 31 Bail Assy 63 4 Adjustments Adjustments 64 5 Maintenance 5 1 Cleaning 65 5 2 Lubrication 66 28 Option Interface 67 6 Maintenance 6 1 Items to Check Before Repair 68 6 2 Troubleshooting Table 69 6 3 Lamp and LCD Display 70 6 4 Part Layout 71 6 5 Connection 72 1 Printhead 73 2 Line feed motor 74 3 Space motor 75 4 Ribbon motor 76 5 Path change motor 77 6 Auto gap motor 78 7 Bail motor 79 8 Space Fant 80 9 Space Fan2 81 10 Head Fan1 82 11 Head Fan2 83 12 Power Fan 84 13 Space slit sensor 85 14 Auto gap sensor 86 15 Cover Open Switch Ribbon Jam Sensor 87 16 Optical Sensor 88 17 Sheet Top Locating Sensor Auto Gap Core 89 18 Paper Jam Sensor Bail Paper End Sensor 90 19 Bail Open Switch Front Tractor On Switch 91 20 Front Tractor Paper End Switch 92 21 Rear Tractor Paper End Switch 93 22 Power Supply Unit 94 23 Operation Panel 95 24 Standard Interface 96 25 Short Plug 97 26 Others 98 27 MUPIS Interface Option 99 29 Continuous Form Paper Cutter Option 100 7 Troubleshooting Troubleshooting 101 1 Printer is not powered on at all 102 2 Printer does not operate at all while Power Lamp is on 103 Alarm Lamp blinks and nothing is displayed on LCD 3 Printer do
23. 4 5 40677401 Door Assy Front 1 6 40768901 Plate Front Sticking 1 7 40520201 Cover Assy Access 1 8 40677601 Cover assy Side L 1 9 40677901 Cover assy Side R 1 10 40678301 Frame assy Rear 1 11 40678901 Frame Opepane Sticking 1 12 40520501 Cover Rear B 1 13 40627701 Guide Paper B 1 14 40738901 Cover Brank Lower 1 15 40777901 Plate earth Cover Rear 1 16 40658201 Guide Sheet 1 17 40498801 Spring Pressure 3 18 3PP4053 3795P001 Pressure Roller Piece 3 19 4PB4044 1358P002 Stopper 2 20 4PB4035 4456P001 Bearing 2 21 4LP 6418 13 Ball Bearing RSF 12 8 W 3 5 4 22 40608401 Drive Gear C 1 23 40608301 Drive Bear B 3 24 4PP3520 1306P001 Idle Gear 3 25 40555001 Bearing Metal Bail 2 26 40511801 Lever Bail Lift L 1 27 40511901 Lever Bail Lift R 1 28 40499601 Bail Assy 1 29 40791701 Spring Bail 2 30 40745501 Screw Stud 1 31 40609201 Bail Gear Bracket Assy 1 32 40608501 Bail Motor Bracket Assy 1 33 4PP4122 1285P001 Gear 219 252 3 34 4LR 200494 Brake Gear 2 35 40500801 AG Sensor Lever Assy 1 36 40501201 AG Sensor Coil Assy 1 37 40513401 Sensor Lever Assy 2 38 40596601 Ribbon Guide Post 2 39 40533501 Head Cable Assy FM50P 1 40 40502901 Protector Ribbon Assy 1 41 40887501 Paper Width Sensor Ribbon SW cord 1 with Sensor Cover and Tie Wrap
24. 6 pin and SH6 01 Examine between CN9 4 pin and SH6 02 Examine between CN9 3 pin and SH6 03 Examine between CN9 2 pin and SH6 04 Examine between CN9 1 pin and SH6 No Yes Replace PMA Board Recovered No Yes End Replace the junction cable Replace Ribbon Motor Recovered No Yes End Replace Ribbon Gear Assy Recovered No Yes End Replace PRA Board XXX of Ink Ribbon Cartridge damaged No Yes Replace Ink Ribbon Cartridge Check the ribbon route in Ink Ribbon Cartridge Is it normal XXX rotating Yes No Set the ink ribbon on the correct route Ink Ribbon Rotation Sensor mounted properly Yes No Install the sensor properly The cables to PRA Board CN4 and CN1 connected properly Yes No Connect the cables properly The cable to PMA Board CN2 connected property Yes No Connect the cable properly Check the Ribbon Rotation Sensor wave form at PRA Board No problem Ribbon Rotation Sensor Examine between CN4 5 pin and SH4 Yes No Replace the Cover Open Switch Ribbon Rotation Sensor cable Replace PMA Board Recovered No Yes End Replace PRA Board Recovered No Yes End Replace the junction cable Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK YT Service Guide for PM4410 Chapter 7 Troubleshooting Page 110 9 Paper is not line fed wh
25. 81 40511101 Tractor Change Lever 1 82 40794401 Tractor Change Lever SP 1 83 40615101 LF Motor 1 84 4LP 1313 33 Mini pitch Belt 1 85 40511201 LF Gear 1 86 40511301 Tractor Change Gear 1 87 4LB 190700 A Coil Spring 1 88 4PP4044 2800P001 Idle Roller 1 89 40511401 Pulley Assy Idle 1 90 40534201 Bail Open SW Front Tractor ONSW Cord 1 91 40141301 Slit Disk 1 92 40472401 Change Motor 3 93 4PP4044 3594P001 Idle Gear C 1 94 5LR 191324 Tractor Idle Gear 1 95 40512501 AG Motor Bracket Assy 1 96 40751101 PGA Printed Circuit Board Specs only 1 PGA PCB 97 40534601 AG Slit Sensor Cord 1 98 40513901 JAM Sensor Assy 1 99 40533901 Paper JAM Bail PE Sensor Cord 1 100 40646401 Knob Bracket Assy 1 101 40794501 Knob Cover 1 102 40646101 Idle Gear Shaft 1 103 4PP4043 2502P001 CSF Drive Gear 1 104 4PP4044 4193P001 Adjust Knob 1 105 SPP3 14SUS Spring Pin 1 106 4PP4043 1895P001 Stacker Gear 1 107 40750801 PHA Printed Circuit Board Specs with I F 1 Board and Bracket 108 40533801 I F Connection Cable HIROSEFC68 1 109 40750901 PRA Printed Circuit Board Specs only 1 Trunk Board 110 2051001P1000 Interlock SW AV14053 1 111 40785101 Interlock SW Connection Cord 1 112 40514401 Cover Open Lever 1 113 40514501 Interlock Switch Lever 1 114 40552901 Interlock Switch Lever SP 1 115 40534501 Cover Open SW Ribbon Sensor Rotation 1 Cord 116 40798701 Locking Wire Saddle 10 117 40798702 Locking Wire Saddle 10 118 40652901 Continuous Form Cutter Code 1 119 408206
26. All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 91 OK YT Service Guide for PM4410 Chapter 6 Maintenance 19 Bail Open Switch Front Tractor On Switch BEILOPNSW P FTRONSW P COVEROPNOSW P SG Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 92 OK Y Service Guide for PM4410 Chapter 6 Maintenance 20 Front Tractor Paper End Switch Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 93 OK YT Service Guide for PM4410 Chapter 6 Maintenance 21 Rear Tractor Paper End Switch Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 94 OK YT Service Guide for PM4410 Chapter 6 Maintenance 22 Power Supply Unit Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 95 OK Y Service Guide for PM4410 Chapter 6 Maintenance 23 Operation Panel LCO UNIT T SHIFTSWON N
27. Bail Motor Bracket Assy 1 33 4PP4122 1285P001 Gear 219 252 3 34 4LR 200494 Brake Gear 2 35 40500801 AG Sensor Lever Assy 1 36 40501201 AG Sensor Coil Assy 1 37 40513401 Sensor Lever Assy 2 38 40596601 Ribbon Guide Post 2 39 40533501 Head Cable Assy FM50P 1 40 40502901 Protector Ribbon Assy 1 41 40887501 Paper Width Sensor Ribbon SW cord 1 with Sensor Cover and Tie Wrap 42 40474701 Space Belt 1 43 40099101 Spring Lift Arm 2 44 40622101 Head Cable Guide 3 45 40503401 Guide Assy Ribbon 1 46 40627101 SP Motor 1 47 4PB4044 4138P001 Idle Pulley 1 48 4PP4044 4155P001 Pulley Shaft 1 49 4PB4044 4357P001 Tension Spring 1 50 40507901 Space Motor Fan 1 51 40719201 Head Cooling Fan 2 1 52 40505501 Head Cooling Fan 1 1 53 40505801 PG Cooling Fan 1 54 40887401 Ribbon Assy Feed 1 55 40458201 Motor Ribbon 1 56 4PP4044 4232P001 Waved Washer 1 57 40630001 Drive Pulley 2 58 4PP4053 1321P001 LF Knob Gear 1 59 40588401 Pan Washer Feed 1 60 40507401 Washer 1 61 4PP4043 2590P001 Bush 2 62 40507601 Sprocket Assy L 1 63 40508101 Sprocket Assy R 1 64 40508301 Front Tractor Drive Gear 1 65 4PP4044 3489P001 Tractor Bush 4 66 40508401 Washer 1 67 40588501 Pan Washer Tractor Feed 1 68 5LR 123467 Sheet Guide 2 69 40508701 Sheet Feeder Assy L Rear 1 70 40509101 Sheet Feeder Assy R Rear 1 71 40778401 Rear Tractor Drive Gear 1 72 4PP4044 4268P001 Drive Gear B 1 73 40555501 Rear Tractor Bush 4 74 40509501 Washer 2
28. Board PGA Printed Board 3 and AG Slit Sensor Cord 4 together 5 Unscrew the screw 5 and release the wrapping tie 6 then remove AG Board PGA Printed Board 3 and unplug AG Slit Sensor Cord 4 6 For installation reverse the removal procedure Note on Installation 1 The distance to Slit Disk should be 0 5 mm or shorter 2 Screwing down the screw 1 move Sensor Bracket 2 into the arrow direction to produce the following conditions Slit Disk 8 does not touch Sensor when Main Shaft 7 is shifted up to its right play end and the gap should be 0 5 mm or shorter when Main Shaft 7 is shifted up to its left play end Check the above conditions for all Slit Disk 8 surface B Note on installation Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 40 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 8 AG Motor Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unscrew 2 screws 1 and remove Bail Gear Assy 2 3 Unscrew 2 screws 3 and remove AG Motor Assy 4 4 Unscrew 2 screws 5 and remove Motor 6 5 Remove Idle Gear 7 and Tractor Idle Gear 8 6 For installation reverse the removal procedure Note on Installation 1 Makin
29. FR AG BHE LLY MG BHE KYL LLL ADO AD15 00 015 RD cs rs Figure 2 4 5 EEPROM IC40 The EEPROM is a CMOS serial I O type memory which is capable of electrically erasing and writing 1 024 bits The EEPROM contains menu data The following shows the memory access operation NHDC LSI EEPROM EEPROMWR P lt a P EEPROMCLK P _ Aa PRE O Read cycle timing READ PE X E e a EEPROMCS P a Ea Pe tos eepromeLke U U U UUU UU S LL U A U Operation Stai coda a code M EEPROMWR P ANS yg a D15 DO DIS DO DS Write cycle timing WRITE EEPROMWR P NLY i ANTTON DE EE PROMRD P _ ___ 4 Bus Figure 2 5 6 Main LSI IC38 MSM91U036 MSM91U036 is control LSI for head data DC motor and modification of print data which has the following functions a Head data control It distributes print data stored in the DRAM over wire arrangements of the print head and outputs it as dot data in synchronism with print timing In this time the distribution complies with each print mode which is specified by the MPU b Print timing control It outputs the signals which control the print timing of ODD and EVEN pins on the print head c Space motor speed control function It controls the space motor with micro programs to accelerate decelerate it This LSI also controls the speed of the space motor in agreement with each print mode d I O port This printer has 8 bit output port which is used for controlli
30. IC46 1 2 1 3 T3 2 3 When the PGROM is mask ROM 1 2 CT a 1 3 T4 Centronics I F Pin No 18 2 3 1 3 T4 1 2 In IEEE 1284 mode 2 3 1 3 T4 2 3 Compatible with PM3410 2 3 1 3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 150 OK WT Service Guide for PM4410 Chapter A PCB Layout 2 Circuit board PDA Driver Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 151 OK YT Service Guide for PM4410 Chapter A PCB Layout 3 Circuit board POA Operation Panel Ici Fa foal A g foal K A g poll ON UNE fo se fine mew fornos LED wa swe Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 152 OK Service Guide for PM4410 Chapter A PCB Layout 4 Circuit board PHA Interface CNIS O7Soo FSO FSS 700 K SUFSTSSFS8OS iS Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 153 OKT Service Guide for PM4410 Chapter A PCB Layout 5
31. Remove the printing paper Carriage moves if Printer is restarted No Yes GotoC The cable to DC Motor connected properly Yes No Connect the cable properly The cables to PRA Board CN1 and CN10 connected property Yes No Connect the cables property The cable to PMA Board CN2 connected properly Yes No Connect the cable properly Check the DC Motor wave form at PRA Board No problem FOW side Measure between CN10 2 pin and SH13 REV side Measure between CN10 4 pin and SH13 No Yes Replace PMA Board Recovered No Yes End Replace the junction cable Check conduction at Cord Assy connecting to DC Motor No problem FOW side Examine between CN10 2 pin and DC Motor Red Terminal with Interlock Switch on REV side Examine between CN10 4 pin and DC Motor Black Terminal with Interlock Switch on No Wee Check conduction only at Interlock Switch Is it normal Yes No Replace Interlock Switch Replace Cord Assy Replace DC Motor C Loose Carriage Belt No Yes Adjust Carriage Belt tension property The cable to PMA Board CN8 connected property Yes No Connect the cable properly The Slit Sensor cable under Space Motor connected properly with the Printer side cable Yes No Connect the cable properly The cables to Space Motor terminals connected properly Black cable Should be connected to the terminal with no marking Red cable Should be connected to the terminal with red marking Yes No
32. See 3 3 13 3 Unscrew the screw 1 and 2 screws 2 and remove Ribbon Bracket 3 4 Unplug the connector 4 from Junction Board PRA Printed Board CN4 8 then remove Cover Open Switch Assy Ribbon Rotation Sensor 5 5 Unscrew 2 screws 6 and remove Cover Open Switch Assy 7 6 For installation reverse the removal procedure Note on Installation 1 In assembling the microswitch position it until backlash is removed tT Note1 In installing the microswitch ralse it in the direction of arrow until backlash is removed MicroSW assembly detail Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 56 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 24 Interlock Switch Interlock Switch Cord Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug 4 cables 1 3 Unscrew 2 screws 2 and remove Interlock Switch 3 4 Unplug 6 connectors 8 5 Unplug connectors 4 to Spacing motor code 5 6 Unplug Interlock Switch Cord Assy 7 from the cable clamp 7 For installation reverse the removal procedure Yellow short cord Orange short cord OFF Yellow long cord Orange long cord Detail drawing Red Blew Green Brack Wirin
33. Service Guide for PM4410 Chapter 7 Troubleshooting 6 After Carriage works Alarm Lamp goes on and ERROR in the upper row BAIL in the lower is displayed on LCD Bail operates during initialization Yes No The cables to PHA Board CN2 and CN1 connected properly Yes No Connect the cables properly The cable to PHA Board CN6 connected properly Yes No Connect the cable properly No failure at the gear between the Bail Motor bails No Yes Replace the damaged gear If the Bail Motor gear is broken replace the whole Bail Motor Replace Bail Motor Recovered No Yes End Replace PMA Board Recovered No Yes End Replace the junction cable Recovered No Yes End Replace PHA Board The cables to PHA Board CN1 and CN3 connected properly Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 108 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 7 After Carriage operates Alarm Lamp goes on and ERROR in the upper row PATH CHANGE in the lower is displayed on LCD Tractor Change Lever operates during initialization Yes No The cables to PHA Board CN1 and CN7 connected properly Yes No Connect the cables properly The cable to PMA Board CN6 connected properly Yes No Connect the cable properly No failure at the gear between Path Change Mot
34. Shot lt Long Drive time lengthens at each step Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 16 OKT Service Guide for PM4410 Chapter 2 Operation 2 1 10 Space motor control 1 The Main LSI generates the SPDV P signal upon receiving the spacing command from the MPU This is a fixed cycle pulse signal The Main LSI varies the pulse duty according to the speed data from the MPU to control the motor speed The SPFOW P or SPREV P signal from the Main LSI changes the current direction in the DC motor to run the motor in the forward or reverse direction SPFOW P e waa SPREV P y MAU UU UUA AATU A SPDV P MotorCurrent A Figure 2 13 2 Slit encoder As the space motor rotates it generates feedback pulse signals SPA P and SPB P The Main LSI detects the edge pulses from these signals and multiplies the frequency to output the S720 P signals as the normalized timing to NHDC LSI to generate head drive timing SPAP i ee E SPB P ood E A EE E iaoe A E E Vs 720 P aoe EERE RE RSE ARE UTILITY MODE ITOUT 10CPI ITOUT 12CPI ania ITOUT 17CPI Td e a E E a ITOUT 20CPI Figure 2 14 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http
35. This function counts a page each 11 inch and stores it to EEPROM The storage capacity for the counter is 3 byte which equals to pages for 70 years at 20000 pages month As the printer has no function which is capable of resetting this counter line feed frequency can be known since the printer s shipment 5 a Stored historical printed character number data This function counts the number of actually printed characters and stores it to EEPROM It reads and analyzes the characters from receiving buffer and identifies the characters which has been actually printed and counts them The count of image data for any DPI should be increases by one character each 12 columns The storage capacity for the counter is 3 byte which equals to 430 million characters with 256 characters counted as 1 count As the printer has the function which is capable of resetting this counter to zero The usage frequency of print head ribbon can be known as an index by resetting this counter when replacing a print head and ribbon set b Printed character number counter resetting function Activating Power on holding SHIFT CONFIG switches Releasing Condition When DIP switch 1 has been turned on Subject Printed character number counter EEPROM data This function resets the counter for the number of printed characters to zero which is stored in the EEPROM This function is advanced in the following steps 1 This function starts s
36. Upper 6 and Friction Piece 7 come off together 9 Remove 2 Snap Bands 10 fastening Micro Switch Connecting Cord 9 on Sheet Feeder Assy L Rear 8 from Main Frame Assy 11 Then release the cords from the clamps on the cord route 10 Unscrew 2 screws 12 on the right and left then remove Lock Shaft 14 with Sheet Feeder Assy L Rear 8 and Sheet Feeder Assy Rear R 13 on 11 Release Lock Lever 15 and remove Sheet Feeder Assy L Rear 8 and Sheet Feeder Assy Rear R 13 from Lock Shaft 14 12 For installation reverse the removal procedure Note on Installation 1 Mount Sheet Feeder Assy L Rear 8 between 2 protrusions B on Main Frame Assy 11 2 Mount Rear Tractor Drive Shafts 3 and 5 as follows a Adjust the position of Sprocket Wheel 14 protrusion at right and left pin tractors to that of Rear Tractor Drive Gear 4 hole then insert Rear Tractor Drive Shaft 5 b Adjust the position of Pin Wheel 16 protrusion at right and left pin tractors then insert Rear Tractor Drive Shaft 3 c Adjust the position of Pin Wheel 16 protrusion to that of Drive Gear B 2 hole align the holes at Rear Tractor Drive Gear 4 and at Drive Gear B 2 then mount Drive Gear B 2 on Rear Tractor Drive Shaft 3 3 Give friction to Friction Piece 7 with a screwdriver turned 45 degrees after inserting it into Rear Tractor Drive Shaft 5 Slow moving of Center Guide Upper 6 to the right left mean
37. Yes No Replace PMA Board The Interface cable connected property Yes No Connect the cable property Replace the interface cable Recovered No Yes End The Interface Is parallel or serial Parallel Serial The serial interface setting adjusted for the system Yes No Set it properly Check 12V output at PMA Board Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force Check the voltage between CN5 1 pin and CN5 8 pin Is 12V output Check conduction at the 8 pin on the junction cable between PMA Board CNS and Power Supply Unit Connector DCOUT2 Normal conduction Yes No Replace the cable Replace Power Supply Unit The cable between PMA Board CN6 and PHA Board CN1 connected properly Yes No Connect the cable property Replace the junction cable between PMA Board CN6 and PHA Board CN1 Recovered No Yes End Replace PHA Board Recovered No Yes End Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK YT Service Guide for PM4410 Chapter 7 Troubleshooting Page 117 16 Printer operates normally but characters are not printed Self Diagnosis Printing conducted normally Yes No Replace PMA Board The interface cable connected prop
38. com Page 20 OK i Service Guide for PM4410 Chapter 2 Operation 2 1 14 Alarm circuit 1 Driver circuit abnormality detection alarm This protective circuit prevents secondary troubles by stopping the power supply upon detection of an abnormality in the print head SP motor driver circuit or other motor driver circuits This circuit monitors the driving time by means of the signals DT1COM1 SPV LF COM AG MCOM RBN MCOM TR MCOM BEIL MCOM and RENCOM connected to the overdrive signals for each driver circuit If any driver circuit driving time exceeds the specified time the POWOFF P signal is output to switch off the power supply to stop all DC voltage outputs 2 Head high temperature alarm circuit The thermistor built in the head monitors the head temperature for head coil protection If high duty printing continues for a long time the head temperature rises If it reaches a certain level approx 148 C and 158 C head high temperature alarm 1 is detected to start one way printing with a 40 ms interval after each line When head temperature alarm 2 is detected to start one way and two pass printing with a 1 2 sec interval after each line for the head temperature to fall When the temperature falls to below the detection temperature normal printing operation restarts As the head temperature rises the resistance of the thermistor decreases and the potential of the input to the comparator in the head thermistor alarm circuit
39. opx okidata com Page 17 OK YT Service Guide for PM4410 Chapter 2 Operation 2 1 11 Line feed The LF motor is locked by the current supplied from 12V according to the pulse duty of the LFCHOP P signal during the stop period It is driven by 44V application by the LFOVDV P signal for line feed operation LF 1 L_ LFo2 Lo Lo L LFo3 L sd lL i o Loo a e E a rovove LILIJU LIU UU U UL LFCHOP P UUL o Figure 2 15 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 18 OK YT Service Guide for PM4410 Chapter 2 Operation 2 1 12 Bail tractor switching AG ribbon motor control Bail tractor switching AG and ribbon motor control is as shown below The AG motor is locked with AGHOLD P ese F L o n we L M anp m no m wa L J a wa of Lr L Lr cL some B Ee eae AGHOLD P MMM Figure 2 16 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 19 OK Service Guide for PM4410 Chapter 2 Operation 2 1 13 Operation Panel The clock synchronization OPCLK of NHDC LSI is used to input the switch data and output the LED data and LCD data through the operation panel control LSI IC1 BU6152S BU6152S NHD
40. rises when the potential goes above the alarm 1 specific level MPU goes into alarm 1 procedure simultaneously MPU continues to check if the potential goes above alarm 2 specific level When going below alarm 2 level MPU goes into alarm 2 procedure 3 Paper end detection circuit Five sensors front tractor paper end sensor rear tractor paper end sensor sheet jam sensor sheet top sensor and sheet width sensor are provided for different paper set routes to monitor paper end When paper runs out the corresponding sensor is turned off to input the FTRPESW P RTRPESW P SHEETJAM P SHEETTOP P SHEETWITH N signal to the sub LSI IC17 and is read by the MPU The MPU stops the printing operation informs the host of the paper end and jam and lights the alarm lamp 4 Cover open alarm circuit When the front access cover is PUSH opened the COVEROPN1SW P signal is input to the main LSI and the NHDC LSI from the cover open microswitch and an invalid signal is input to MPU The MPU stops the printing operation as soon as possible informs the host that receiving is impossible and lights the alarm lamp When the front access cover is opened and the interlock switch cuts the SP motor drive current and makes the SP motor stop 5 Fan alarm circuit For each of the five fans the FANALM P signal is provided to detect fan rotation stop The signal is at Low level when the fan rotates while it becomes High when it stops The MPU monitors this signa
41. runs out the paper end lever comes into the hole on the sheet feeder cover rib and the bottom of the paper end lever leaves the microswitch to turn it off for form end detection Both front and rear tractor detects the paper end at 12 7mm 2 Front tractor Tractor cover Sheet of paper Contact lever Paper end detection microswitch Tractor with a paper Tractor without paper Figure 2 33 Paper end detection mechnism front tractor 3 Rear tractor Form oO Sheet feed cover rib V Pin tractor L 2 Mia Figure 2 34 Rear form end detection mechanism Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 30 OK Service Guide for PM4410 Chapter 3 Disassembly 3 1 Precautions for Parts Replacement The section explains the procedures for replacement of parts assemblies and units in the field Only the removal procedures are explained here Reverse the procedure for the installation 1 Before starting parts replacement remove the AC cable and interface cable a Remove the AC cable and the interface cable in the following procedure i Turn off o the power switch of the printer ii Disconnect the AC inlet plug of the AC cable from the AC receptacle iii Disconnect the AC cable and interface cable from the printer b Reconnect the printer in the following proce
42. the entire timing of these operations Acceler Constant speed Deceler ation tion SP Motor Operation Print Line Feed LF Figure 2 10 When starting the printing operation the MPU specifies the distance moved print start position printing speed etc to the LSI and activates the spacing motor The MPU when the carriage arrives at the print position specified activates the printer to start printing and when printing terminates the MPU activates the line feed motor for line feed operation During the line feed operation the MPU causes the carriage to decelerate Upon termination of line feed operation the spacing operation is performed Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK Service Guide for PM4410 Chapter 2 Operation Page 14 2 1 8 Printhead control The printhead is controlled by the Main LSI and NHDC LSI Printing is synchronized with the ITOUT signal from the NHDC LSI DRIVER Print Head HEAD1 HEAD18 Figure 2 11 The NHDC LSI outputs the dot timing1 signals DT1 1 18 and the dot timing2 signals DT2 1 18 and the driver IC drives each dot magnet These signals are output from the NHDC LSI after the following corrections for final driving time determination inside the LSI 1 Correction for the number of pins driven The driving t
43. 0 characters the slit counter number from the slit edge to delta f B 11 12 characters the pushdown slit count number from delta f delta f1 10 C 13 16 characters Head position Slit count number at this point A Slit Number at this range C Slit number at this range B 3 This function itself cannot perform AG detection Therefore it is necessary to make the printer perform such a motion as paper input and so on which will induce an AG detection and check the indication of the results But the printer makes the interface to be BUSY which results in data receiving and printing being impossible Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 178 OK Service Guide for PM4410 Chapter C Maintenance Support Function 4 10 Autogap Open Close Test Start up Power the printer on while holding the LF FF LOAD switches Releasing Completion of execution Condition DIP switch should be turned to ON position Target Gap mechanism This function performs the aging to the autogap mechanism This function is executed according to the following procedure 1 The LCD displays the following messages informing of the start of this function Top line ADJUSTMENT Bottom line AG OPEN CLOSE 2 On condition that papers are loaded the following mo
44. 01 Operation Panel Code with Core 1 120 40795002 One Touch Bush 5 121 4LP 6693 3 Flat Cable Clip FCC 225 19 1 76 2 1 122 4LP 6401 B1 Tie Wrap SHT18R HS TY 23M 1 123 4LP 6342 2 Wire Bundle Clamp 2 124 3200561 J0620 Brake Resistor 62 Ohms 15W 1 125 3200560J0120 Oscillation Resistor 12 Ohms 40W 2 126 4PB3529 5116P001 Tapping Screw 127 4PB4013 3100P006 Cup Screw S Tight M3 128 4PB4053 1883P002 Cup Screw with Washer 6 129 40750403 PMA Printed Circuit Board Specs no 1 ROM with Bracket Sheet amp Fuse 130 131 540A2067T1632 Fuse 237 06 3 1 132 540A23036M1502 Fuse GGS5 1 133 40751201 Control ROM Writing Specs 1 134 40751301 Font ROM Writing Specs 1 135 136 137 40750701 PDA Printed Circuit Board Specs with 1 Driver Board and Bracket 138 40414001 Power Supply 1 139 40534401 Trunk Board Cord 1 140 40785001 SP Slit Sensor Cord 1 141 40751001 POA Printed Circuit Board Specs only 1 Operation Panel Board 142 40742901 LDC Assy with Cord and Core 1 143 40533301 Nylon Connector Cord 13P 1 144 4YS4011 4311P006 Nylon Connector Cord 12P 1 nl Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 133 OKI Service Guide for PM4410 Chapter 8 Parts List Printer Unit 2 of 3
45. 3 Disassembly 3 3 18 Printing Head 1 Lean Frame Assy Rear backward and open Access Cover 2 Move the printing head to the recess on the right seen from the front 3 Pull out Ribbon Guide 1 upward 4 Unscrew 2 screws 2 and remove Printing Head 3 from the connector 5 For installation reverse the removal procedure Note on Installation 1 The head should be installed according to Section 9 Procedure for Installing Printhead in Chapter 4 ADJUSTMENTS Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 51 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 19 Head Cable 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Printing Head See 3 3 18 3 Remove Printer Unit See 3 3 2 4 Remove Cable Holder Cover See 3 3 6 5 Unscrew the screw 1 and remove Carriage Cable Holder 2 6 Unplug Head Connector 3 and then the connector green 4 7 Unscrew 2 screws 5 and remove Head Cable Cover 6 8 Unplug Head Cable 7 pulling it to the left 9 For installation reverse the removal procedure Note on Installation 1 When the head cable is assembled make sure that 0 5 1 5mm clearance exists between cables The side frame R should pro
46. 8 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 113 OK Y Service Guide for PM4410 Chapter 7 Troubleshooting 12 Printer goes off during operation Turn Printer on with PMA Board CN3 cable unplugged Printer goes off during operation No Yes Replace Power Supply Unit Tum Printer on with PMA Board CN2 CN6 and PDA Board CN5 unplugged Printer goes oft during operation No Yes Shortcircuit occurs at PDA Board between THA1 5 pin and 4 pin and between HTA1 1 pin and 2 pin No Yes Replace PDA Board Replace PMA Board Turn Printer on with PMA Board CN2 and CN6 unplugged Printer goes off during operation No Yes Replace Print Head Recovered No Yes End Replace Head Cable Turn Printer on with PMA Board CN2 and PDA Board CN5 unplugged Printer goes off during operation No Yes No junction cable failure at Bail Path Change LF motors and between PMA Board and PHA Board No Yes Replace the damaged cable if any Replace PHA Board No junction cable failure at Ribbon Space Auto Gap motors and between PMA Board and PRA Board No Yes Replace the damaged cable if any Replace PRA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata c
47. 8 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 157 OK Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 1 Element Description 1 80051 with MASK ROM An eight bit microprocessor controller that controls the following a Serial interface protocol and data transfer through a serial port b Message buffer c Transmission of parallel data to the printer 2 SN75189 An RS 232C standard line receiver 3 SN75188 An RS 232C standard line driver 4 2764 An 8 kbyte ROM that contains the serial interface control program 5 HM6264 An 8192 byte static RAM used as a message buffer Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 158 OK Y Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 2 Circuit Description A block diagram is shown in Figure B 2 1 below CN1 X Y KAN ADA Dus WQS Serial data control line 15 VO 9V 9 V power ov lt 7 Bus line supply circuit 45 V 5V lt Control line OV Figure B 2 1 Block Diagram Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata
48. 8 40596601 Ribbon Guide Post 2 39 40533501 Head Cable Assy FM50P 1 40 40502901 Protector Ribbon Assy 1 41 40887501 Paper Width Sensor Ribbon SW cord 1 with Sensor Cover and Tie Wrap 42 40474701 Space Belt 1 43 40099101 Spring Lift Arm 2 44 40622101 Head Cable Guide 3 45 40503401 Guide Assy Ribbon 1 46 40627101 SP Motor 1 47 4PB4044 4138P001 Idle Pulley 1 48 4PP4044 4155P001 Pulley Shaft 1 49 4PB4044 4357P001 Tension Spring 1 50 40507901 Space Motor Fan 1 51 40719201 Head Cooling Fan 2 1 52 40505501 Head Cooling Fan 1 1 53 40505801 PG Cooling Fan 1 54 40887401 Ribbon Assy Feed 1 55 40458201 Motor Ribbon 1 56 4PP4044 4232P001 Waved Washer 1 57 40630001 Drive Pulley 2 58 4PP4053 1321P001 LF Knob Gear 1 59 40588401 Pan Washer Feed 1 60 40507401 Washer 1 61 4PP4043 2590P001 Bush 2 62 40507601 Sprocket Assy L 1 63 40508101 Sprocket Assy R 1 64 40508301 Front Tractor Drive Gear 1 65 4PP4044 3489P001 Tractor Bush 4 66 40508401 Washer 1 67 40588501 Pan Washer Tractor Feed 1 68 5LR 123467 Sheet Guide 2 69 40508701 Sheet Feeder Assy L Rear 1 70 40509101 Sheet Feeder Assy R Rear 1 71 40778401 Rear Tractor Drive Gear 1 72 4PP4044 4268P001 Drive Gear B 1 73 40555501 Rear Tractor Bush 4 74 40509501 Washer 2 75 40588601 Pan Washer Trac
49. 98 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 128 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 27 ERROR S RAM is displayed on LCD while Alarm Lamp blinks Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 129 OK WT Service Guide for PM4410 Chapter 7 Troubleshooting 28 ERROR CG ROM is displayed on LCD while Alarm Lamp blinks CG ROM mounted properly on PMA Board es No e Install it properly Y Replace CG ROM Recovered o Yes End Y Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 130 OK WT Service Guide for PM4410 Chapter 7 Troubleshooting 29 ERROR CENTERING is displayed on LCD while Alarm Lamp blinks Goto4 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 131 OK Service Guide for PM4410 Chapter 8 Parts List Total Assembling Diagram
50. A Control 149 2 Circuit board PDA Driver 150 3 Circuit board POA Operation Panel 151 4 Circuit board PHA Interface 152 5 Circuit board PRA Connection 153 6 Circuit board PGA Sensor 154 B RS 232C Serial Interface Board 1 General 155 2 Operation Description 156 2 1 Element Description 157 2 2 Circuit Description 158 ee 2 2 1 Operation at power on 159 weree2 2 2 RS 232C interface 160 2 3 Local Test 161 ARTS 2 3 1 Circuit test mode 162 E 2 3 1 1 Setting 163 heses 2 3 1 2 Function 164 C Maintenance Support Function Table of Contents Page 1 Normal mode 165 2 Maintenance mode 1 166 3 Maintenance mode 2 167 4 Maintenance function 168 4 1 Auto gap test 169 4 2 Gap close 170 4 3 Sensor slice level learning function 171 4 4 All sensors ON OFF check function 172 4 5 Print start position PE sensor aligning function 173 4 6 FLASH memory loading function 174 4 7 Head pin test 175 4 8 AG correction function 176 4 9 AG adjustment aid function 177 4 10 Autogap Open Close Test 178 4 11 Aging Function 179 OK Service Guide for PM4410 a Chapter 0 Introduction Preface This maintenance manual describes how to maintain the Pacemark 4410 printer in the field This manual is for customer engineers For further information refer to the User s Manual for handling or operating the equipment Copyright 1998 Okidata Division of OKI America Inc All rights res
51. BUSY ACK INT Figure 2 8 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 12 OK YT Service Guide for PM4410 Chapter 2 Operation 2 1 6 Serial Interface The MPU sets the baud rate which is selected with the menu switch for the NHDC LSI and have the serial I F LSI to output the clock frequency of the baud rate Input signals from the serial I F DSR CTS CD and RD are converted into TTL level ones by the Line driver receiver and input to the serial I F LSI and NHDC LSI The serial I F LSI converts serial data into parallel data to output it to the MPU Output signals DTR RTS SSD and TD to the serial I F are output from the MPU to the NHDC LSI and serial I F LSI and then converted through the Line driver receiver into line voltage which is output to the serial I F ADO AD7 rasai Serial F DSR CSa E hs SSD S ypy S Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 13 OK Service Guide for PM4410 Chapter 2 Operation 2 1 7 Printing Operation The time chart for the spacing and printing line feed operations are as shown below The spacing printing and line feed operations are controlled by the MPU The MPU also controls
52. Bail Motor Assy 3 3 12 LF Motor Assy 3 3 13 Head Cooling Fan 1 3 3 14 Head Cooling Fan 2 3 3 15 Space Motor 3 3 16 Operator Board POA Printed Board 3 3 17 Ribbon Feed Assy 3 3 18 Printing Head 3 3 19 Head Cable 3 3 20 Ribbon Protector 3 3 21 Space Motor Fan 3 3 22 Junction Board 3 3 23 Cover Open Switch Assy Ribbon Rotation Sensor 3 3 24 Interlock Switch Interlock Switch Cord Assy 3 3 25 Knob Bracket Assy 3 3 26 Space Belt 3 3 27 AG Sensor Frame Start Searching Sensor 3 3 28 Paper Jam Sensor Assy Bail PE Sensor Assy 3 3 29 Sprocket assy L R Front Tractor 3 3 30 Sheet Feeder Assy L Rear Sheet Feeder Assy R Rear 3 3 31 Bail Assy on Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 33 OKT Service Guide for PM4410 Chapter 3 Disassembly 3 3 1 Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck 1 Remove Guide Sheet 1 and Cover Assy Access 2 2 Unscrew 2 screws 3 and the screw 4 and the screw 5 then remove Cover Assy Side R 6 sliding it to the arrow direction 3 Unscrew 2 screws 7 and the screw 8 and the screw 9 then remove Cover Assy Side L 10 sliding it to the arrow direction 4 Unscrew 4 screws 11 and the screw 12 5 Release Hooks 13 th
53. C LSI OPDATAOUT P SDO re el OPSCLK N SCKN 59 Command LED driver OPSOCR N and Data SCSN latch 58 OPDATAIN P a SDI Switch controller Figure 2 17 A 2 byte 15 bits 1 even parity bit command OPDATAOUT P is transmitted to the LSI BU6152S in synchronization with the OPSCLK N signal The LSI decodes this command and when it is found to be legal returns a 2 byte command response back to the NHDC LSI which includes data on Switch information LED status LCD status receive command ACK NAK and 1 odd parity bit Any transmission errors found cause the command to be reissued after the transmission of the OPSQCR N signal Command second i 3 2 f z 4 a E 2 8 Command response re a a 3 z z z a BA a E v I I z D z a oe l i g R fF f He 5 fa b G eta Ero noliicaion Instruction tor retransmission a a rosat Pasporee check for OK of Ni LSI erie kr LED data Write struction tor LSI alc Road instructon tor data read Figure 2 18 Note From the illustration above you can see that the command and the command response are output at the same time This is because the bit 0 to bit 3 of OPDATAIN P are fixed so that the response can be returned before decoding the command Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata
54. C which reads print data from the memory and transmits it to the print output buffer e External interface It controls various interfaces for main LSI IEEE1284 serial MUPIS OpePaneLSI EEPROM f Motor drive interface Each control of OVDV pulse generation for AG motor generation of pulse for switching ribbon motor phase and OVDV pulse generation for LF motor 8 Sub LSI IC17 IC18 MSM72V017 This LSI is the I O port LSI which controls the input output of various controlling signals with command inputs from the MPU a Sub LSI 1 IC17 MSM72V017 Input output control for controlling signals to various sensors FAN controlling signals sensor slice level controlling signals AG motor controlling signals and LF motor controlling signals b Sub LSI 2 IC18 MSM72V017 Input output control for controlling signals to various sensors SP motor current controlling signals external interface controlling signals TR motor controlling signals bail motor controlling signals cutter motor for optional connection controlling signals 9 Serial I F LSI IC35 85L30 This LSI is the serial I F LSI which controls the input output of serial I F controlling signals with command inputs from the MPU ee Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 9 OK WT Service Guide for PM4410 Chapte
55. Confirm paper feeding pai and then COMPLETE is Notes In the following cases the implemented 1 After replacing the Con ROM replacement Auto Gap Motor Assy Backlash J 0 1 mm 1 Verify the backlash is and the adjusting cam 2 If adjustment is require fixing the auto gap assy a between the idle gear and Bail Gear Assy Backlash K 0 2 mm 1 Verify the backlash is and the drive gear B and idle gear C 2 If adjustment is require fixing the bail gear assy a between the idle gear A al between the idle gear B ai Installing the printhead 1 In installing the printhe impinging plate on the car Notes The printhead should be it position prevent protecto 2 How to tighten screws a Lightly tighten the right printhead against the carri b In tightening the screws tighten the left screw after pushing the head against Notes 1 To prevent the float of hee Notes 2 Tightening the screws whi direction of left arrow and 3 Adjust the backlash of can meet the center of the 10 Alignment of horizontal printing 1 Set in continuous pape sheet onto the printable 2 Press 5 switch to go display Set Up Next pre The printer starts Registr Open the access cover to progress and close it and after pressing the ON LIN Correct the printing align Registration 7 Note Note2 After printing char Note3 The re
56. DT1 1B N 215 orase HDOG P HDO7 N HDov P HDOB N HDOS P HDOG N Hbos P HD1IO N HD10 P HD1I1 N HD11 P HD12 N HD12 P HDIGN HDI3 P HDI4N HD14 P HDISN HDIE P HDI6 N HD16 P HD17 N HD17 P Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 74 OK YT Service Guide for PM4410 Chapter 6 Maintenance 2 Line feed motor Resistance of each coil should be about 4 2 Ohms LFDV1 LFCOM LFDV3 LFDV2 LFDV4 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 75 OKu Service Guide for PM4410 Chapter 6 Maintenance 3 Space motor Resistance of motor should be about 1 08 Ohms Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 76 OK Y Service Guide for PM4410 Chapter 6 Maintenance 4 Ribbon motor Resistance of each coil should be about 155 Ohms RIBBON Mo Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 77 OK Y Service Guide for PM4410 Chapte
57. Ela PTT TT TT Flash Memory Chip Error Except for Fujsu and AMD made chips FLASH MEMORY ALARM LIAS binio YT Flash Memory Unloading Error FL IASIH HjalsiHi TTT TTI Flash Memory HASH Error TTT TTT TTT TT TT TT Fl Mast Me Mlola Flash Memory Polling Error TTT FISH Bb pluja Flash Memory Command Received MUPIS ALARM Ole Flslel Flolinjejci HSP Connection Error OPTION ALARM TT oleh Elaflol lelol TT ML300 s IF Card ROM Error ML300 s IF Card RAM Error ML300 s IF Card Connection Error Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 71 OK YT Service Guide for PM4410 Chapter 6 Maintenance 6 4 Part Layout 1 Board SUPPLY UNIT POWER i Operalion Panel Assy LCD UNIT 2 Other u NPR JOON aS Ba BLURS 15 dg LI JOURS Ws psiny Bod Od Jao desang Doo yon eung ary aopeuuon DREL RAY IOPE WOI csueg pug sadeg jeg NUTS pUJ Jedey OEIL BIY Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide for PM4410 Chapter 6 Maintenance Page 72 6 5 Connection 1 Printhead
58. Front Tractor Drive Shaft 5 to the right 9 Unscrew 2 screws 6 and remove Front Lock Shaft 7 Sprocket Assys L 8 and R 9 together 10 Release Lock Lever 10 and pull out Sprocket Assys L 8 and R 9 from Front Lock Shaft 7 11 For installation reverse the removal procedure Note on Installation 1 Adjust sprocket pin phases of Sprocket Assys L 8 and R 9 before inserting Front Tractor Drive Shaft 5 into them Wave Drive shaft Bush R Side View Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 62 OK i Service Guide for PM4410 Chapter 3 Disassembly 3 3 30 Sheet Feeder Assy L Rear Sheet Feeder Assy R Rear 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Printer Unit See 3 3 2 3 Remove PG Cooling Fan See 3 3 5 4 Remove Mini Pitch Belt See 3 3 9 5 Remove I F Board PHA Printed Board See 3 3 6 6 Remove Center Guide Lower 1 7 Open the clamp of Drive Gear 2 to the arrow direction and remove the gear then pull out Rear Tractor Drive Shaft 3 8 Open the clamp of Rear Tractor Drive Gear 4 to the arrow direction and remove the gear then pull out Rear Tractor Drive Shaft 5 At this time Center Guide
59. Nylon Connector Cord 13P 1 144 4YS4011 4311P006 Nylon Connector Cord 12P 1 nl Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 135 OK i Service Guide for PM4410 Chapter 8 Parts List Carriage Assembly No Parts No Name Qty _ Remarks 1 40502001 Frame Carriage 1 2 40547701 Bias Roller Assy 1 3 51706401 Spring 1 4 40474701 Felt 1 5 Space Belt 1 6 Guide Connector 1 7 40533501 Connection Cord Flat 1 8 40502901 Protector Ribbon Assy 1 9 40596601 Ribbon Guide Post 1 10 40622101 Head Cable Guide 1 11 Cable Holder 1 12 Clamp Cord 1 13 AG Plate 1 14 Hexagon Eccentric Shoulder 1 15 Connection Cord Paper Width Sensor 1 Dislocated Ribbon SW 16 Cover Sensor 1 17 SHT18R HS TY 23M Tie Wrap 1 18 Clamp Cable 1 19 40503401 Washer 1 20 Guide Assy Ribbon 1 21 22 24 Screw 1 25 Tapping Screw 1 26 E Ring 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 136 OK Service Guide for PM4410 Chapter 8 Parts List Knob Assembly No Parts No Name Qty _ Remarks 1 40646401 Bracket As
60. OKT Service Guide for PM4410 Chapter 0 Introduction Front Cover OKIDATA Service Guide Pacemark 4410 The PACEMARK 4410 is simply the most reliable powerful and durable forms printer in its class Stand alone or shared by a workgroup this heavy duty impact printer can tackle your most demanding forms work flow and then some Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual 05 13 98 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 display well on most displays Table of Contents Page Service Guide for PM4410 0 Introduction Preface 1 1 Specifications 1 1 Basic System Configuration 2 1 2 Printer Specifications 3 1 3 Option Specifications 4 1 4 Basic Specifications 5 2 Operation 2 1 Electrical Operation 6 2 1 1 Summary 7 2 1 2 Microprocessor and the peripheral circuit 8 2 1 3 Initialization 9 2 1 4 Interface Control 10 2 1 5 Parallel Interface Control 11 2 1 6 Serial Interface 12 2 1 7 Printing Operation 13 2 1 8 Printhead control 14 2 1 9 Print Compensation Control 15 2 1 10 Space motor control 16 2 1 11 Line feed 17 2 1 12 Bail tractor switching AG ribbon motor control 18 2 1 13 Operation Panel 19 2 1 14 Alarm circuit 20 2 1 15 Power supply circuit 21 2 2 Mechanical Operation 22 2 2 1 Printhead mechanism and operatio
61. OPSCLI N OPDATAOUT P OPDATAIN P BZON P 5VD 5V AY 8 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 96 OK Y Service Guide for PM4410 Chapter 6 Maintenance 24 Standard Interface STROB N DATAtP DATA2 P DATAS P DATAG P DATAS P DATAG P DATA P DATAB P ACKN BUSY N PERROR P SELECT P AUTOFD N SG PLOGIC H NIT N FAULT N NOIF H SELECTINN 9 10 12 1921 25 910 16 19 21 25 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 97 OK YT Service Guide for PM4410 Chapter 6 Maintenance 25 Short Plug For setting details see the maintenance manual 10K THOW T 7 ain 5V PGROMSEL N CNPLOGIC H Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 98 OK YT Service Guide for PM4410 Chapter 6 Maintenance 26 Others Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 99 OK Y Service Guide for PM4410 Chapte
62. Peripheral Chip Select Logic e Programmable Wait State Generator e Local Bus Controller And others The function of this microprocessor is to provide a central mechanism for the entire printer by executing the control program through the LSI and driver circuits 4 i ae AAU BI lssi 2 PG ROM IC46 This is a 256 x16 bits 4M bit EPROM with the control program for the printer stored The MPU executes instructions under this program The program ROM is assigned to the program memory area of the MPU and is fetched by the RD signal of the MPU The following shows the operation of the memory access MPU CLOCK ALE S eee Me BHE SLR NEBE NOLL LLL LLL A ADO AD15 DO D15 RD cs SO E Figure 2 2 3 DRAM IC28 The RAM is CMOS dynamic RAM with 256K x 16 bit configuration and used as buffers such as receiving buffer printing buffer DLL buffer and working buffer The following shows the examples of the memory access operation MPU NHDC LSI DRAM MPU CLOCK L L _ LJ L a Kf ON AIG BHE LY LL DR NE E KILL LLL LLL LLL LLL RD i E a WR Oe O O o cs Nef 4 CG ROM IC48 This is a 256K x 16 bits 4M bits EPROM with the font data for the characters stored CG ROM is assigned to the program memory area of the MPU and is fetched by the RD signal of the MPU The following shows the memory access operation A16 BHE wucok LJ LILI LI LILI ALE se
63. Pulley Bracket Move the pulley into the arrow direction to loose the belt then fasten the screws 5 Remove PG Cooling Fan See 3 3 5 6 Unscrew 2 screws 4 and remove PG Fan Bracket 5 7 Unplug connectors 7 to Interlock Switch Cord Assy 12 8 Unplug connectors 8 9 to Interlock Switch 10 and release the cords from the cord clamps on the cord route 9 Unscrew 1 screws 13 and remove FG Mesh 3 10 Unscrew 4 screws 11 and remove Space Motor 6 11 For installation reverse the removal procedure Note on Installation 1 After assembling the motor adjust the position of the idle pulley bracket with screw 2 so that the space belt should be positioned at the center between the idle pulley and motor pulley and the vertical fluctuation of belt be 0 5mm or less when the carriage is shifted to right and left When the carriage is shifted to right and left press the interlock switch 10 off so that the load of shifting it can be reduced Idle Pulley Bracket Bie dreon Brack Wiring of interlok swith Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 48 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 16 Operator Board POA Printed Board 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear
64. a rca B17 ones ate Be lt Cae pol Saas Rive O rh mae a SRD alla o CWBAFE N DBE f ton B13B17 521 525 B1 9 A282 Ez B13 817 821 825 Raa cice 5V os T o fo D2 c CA ot o5 o DE o O5 03 D6 a 014 cos s D on C10 C12 1 015 OD ow AIS cis 15 ats on A13 Al2 C19 poe At ca Ato S22 AB C23 C2 DECODED cat cS WRN C26 COM OURSTN css ROYN CaaS So cd NC oa z RSTN cH py ci x N ce lt i gg DCCC Ge CECA Ct Cat ca ee PEP ACKN SSELN BUSY IFDATA4 P IFDATASP IFDATAG P IFDATA2P IFDATAG P IFDATAI P IFDATA 7 P IFDATAS P SFRSTP RSTIN P SFSTEN SFONN SFAD N CNBAALN 86 SESS SRSESSESESESES ESSE SEAR 25 FoaTss P FDATA7 P FDATAGS P FOATAS FoaTae P FOATAR FOATA2 FOATA1 P SELECT N PEN ACK PARN BUSY N NC IFRDN CPURSTS 5V H 5G ACV SFONN SIFAST gt 5VD RSTIN G IFDATABP FDATAT P FDATA6BP FDATASP FDATA4 P FDATASP FDATA2P FOATAIP SELECTN PE N NXP IPWASN BUSY N NC IFRDN CPURST P AN AIZ A14 A20 A22 A28 AAS ATZ man J AIG Al Al4 A70 A22 A24 AMAL Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 68 OK Service Guide for PM4410 Chapter 6 Maintenance 6 1 Items to Check Before Repair 1 Check the inspection items specified in the instruction manual
65. a print command sent from the device controller a magnetic flux will generate in the opposite direction against that of the permanent magnet and a restoring force of the armature in the opposite direction against the core and then the print wire impinge on the platen There is a paper and ink ribbon between the platen and print wire so this impinging motion allows the ink of ink ribbon to be transferred printed to the paper i When printing Wire quide Armature assembly Thermistor Print wire Platen Wire guide Magnet assembly Spacer Paper Yoke ii When not printing he Figure 2 21 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 24 OK Service Guide for PM4410 Chapter 2 Operation 2 2 2 Spacing operation Spacing is effected by driving the carriage assembly installed to the main shaft and slide beam set in parallel with the platen by the DC servo motor a DC motor with motor b Carriage frame c Carriage shaft d Space belt e Sensor f Encoder disk 1 Spacing operation The carriage mounting the printhead moves in parallel with the platen along the main shaft and slide beam The carriage is fixed to the mini pitch belt under the carriage frame When the DC servo motor runs clockwise as viewed from its front side the driving force is transmitted to th
66. ack Ribbon life Approximately 15 million characters Characters in Utility mode 16 Reliability a MTBF mean time between failures 12 000 hours of power on time at 25 duty cycle and 35 page density b Printhead life 400 million characters average in 10 CPI Utility print mode at 25 duty cycle and 35 page density c Printer life 12 000 hours of power on time at 25 duty cycle and 35 page density or 5 years d MTTR 15 minutes major Sub assembly level Definition of terms e Duty cycle Actual operation rate e Page density the proportion in area of characters and spaces within printhead movable area e Power on Time 8 hours day 25 days month and 12 months year Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK Service Guide for PM4410 Chapter 2 Operation 2 1 Electrical Operation The electrical operation of the printer circuit is described in this section 2 1 1 Summary 2 1 2 Microprocessor and the peripheral circuit 2 1 3 Initialization 2 1 4 Interface control 2 1 5 Parallel Interface Control 2 1 6 Serial Interface 2 1 7 Printing operation 2 1 8 Printhead control 2 1 9 Print Compensation Control 2 1 10 Space motor control 2 1 11 Line feed 2 1 12 Bail tractor switching AG ribbon motor control 2 1 13 Operation Panel 2 1 14 Alarm circuits 2 1 15 Powe
67. actor Rear tractor drive gear Rear drive shaft Front drive shaft Front tractor drive gear Tractor change motor Pulse motor LF gear Figure 2 29 e Rear tractor drive Rear drive shaft Front drive shaft Change lever Front tractor drive gear Change gear Rear tractor drive gear LF gear Change motor Front tractor drive ee Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 28 OK i Service Guide for PM4410 Chapter 2 Operation 2 2 6 Bail Feed Mechanism This mechanism automatically opens the bail for pulling a paper into and closes it after the paper passes through the bail This function is operated by exclusive bail motor pulse motor The bail motor rotates depending on the position of a paper moving the bail lift lever L back and forth through gears The moving force of the bail lift lever L is also transmitted to the bail lift lever R through the support shaft so the right lever moves longitudinally in synchronization with the left lever On the bail lever a cam plate is formed and interlocked to a pin of the bail Assy so that the bail Assy is lifted and lowered by the longitudinal motion of the bail lever 1 Bail close position This position is for the condition where a paper is being printed and carried with bot
68. ap Correction oO O 3 Turn on the printer while pressing Switches 12 and 13 4 The auto gap correction has completed if Av is printed 1 Set the continuous for at the printing valid positio 2 Turn on the printer the pressing Switches 12 ar correction If the auto gap times and Av printed correction 3 The auto correction va desirable If any value othe plate gap should be adjus Notes a In the following cases t implemented i After the gap adjustmen the AG plate ii After replacing the conti CG PROGROM EEPROI b When the correction va and 18 Warning will be Press Switch 1 to reset thi c The correction value A If any value other than this the AG frame and the AG to the proper range as de this correction LF Motor Belt Tension 200 250gf 1 Adjust the LF motor be assy to produce the stanc deflected 1 5 mm at the m drive pulley B Slice Level Setting paper Width Sensor 1 Install the ribbon casse 2 Turn on the printer whi 11 at the operation panel correction mode paper w COMPLETE is indicated be closed during this proc Slice Level Setting Paper Width Sensor Notes In the following cases this implemented 1 After replacing the Con ROM replacement 1 Set the continuous fori at the front tractor and als 2 Turn on the printer whi 13 This starts the papel correction mode
69. at power off Condition When DIP switch has been turned on Subject Gap mechanism Use this function to make a shift to gap 1P position This function is advanced in the following steps 1 This function starts showing the following indications on the LCD Top line ADJUSTMENT Bottom line AUTO CLOSE 2 It makes a shift to 1P position 3 The printer returns to normal condition after initialization a ed Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 171 OK i Service Guide for PM4410 Chapter C Maintenance Support Function 4 3 Sensor slice level learning function Activating Power the printer on while holding the PATH LF switches Releasing It automatically ends at power off Condition When DIP switch has been turned on Subject Gap mechanism Sets appropriate resistance values slice level by using this function and store them to the EEPROM 1 This function starts showing the following indications on the LCD Top line ADJUSTMENT Bottom line OPTICAL SENSOR 2 LCD shows the following indication after the completion of the function Top line ADJUSTMENT Bottom line OPTICAL SENSOR 2 LCD shows the following indication after the completion of the function Top line ADJUSTMENT Bottom line COMPLETE when the resistance values slice leve
70. com Page 159 OK Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 2 1 Operation at power on After power is turned on an RST OUT signal is sent from the printer control board to reset the printer When the reset is canceled the 80C51 CPU performs initialization Initialization consists of setting the 80C51 timer and setting the serial mode Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 160 OK Service Guide for PM4410 n Chapter B RS 232C Serial Interface Board 2 2 2 RS 232C interface The DTR SSD TD and RTS signals output by the 80C51 are converted to RS 232C signals by line driver SN75188 Q1 and sent to the interface In addition signals DSR CTS CD and RD on the RS232C interface are converted to TTL level by line receiver SN75189 Q2 and input to the 80C51 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 161 OK WT Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 3 Local Test 2 3 1 Circuit test mode Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata c
71. crews 4 and remove Cable Holder 5 6 Unscrew the screw 6 and cut the wrapping tie 7 7 Remove Micro Switch 8 8 Unscrew 2 screws 9 and remove Tractor Change Motor Assy 10 9 Remove E rings 11 and the gear 12 10 Unscrew 2 screws 13 and remove Motor 14 11 For installation reverse the removal procedure p taaa View Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 43 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 11 Bail Motor Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug the connectors 1 from I F Board PHA Printed Board CN2 12 3 Unplug the connectors 11 from I F Board PHA Printed Board CN11 12 4 Release the cords from the cord clamps on the cord route 5 Unscrew the screw 2 and cut the wrapping tie 6 Remove Micro Switch 3 7 Unscrew 2 screws 4 and remove Bail Motor Assy 5 8 Unscrew 2 screws 6 and remove the motor 7 9 Remove E rings 8 and 2 gears 9 and 10 10 For installation reverse the removal procedure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this ma
72. ction cable between PMA Board CN6 and PHA Board CN1 Recovered End Y Replace PHA Board Recovered r End Y Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 125 OK WT Service Guide for PM4410 Chapter 7 Troubleshooting 24 ERROR D RAM is displayed on LCD while Alarm Lamp blinks Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 126 OK WT Service Guide for PM4410 Chapter 7 Troubleshooting 25 ERROR PROGRAM ROM is displayed on LCD while Alarm Lamp blinks Program ROM mounted properly on PMA Board es No Install it property Y Replace Program ROM Recovered o Yes End Y Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 127 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 26 ERROR EEPROM is displayed on LCD while Alarm Lamp blinks EEPROM mounted properly on PMA Board es No Install it property Y Replace EEPROM Recovered o Yes End Y Replace PMA Board Copyright 19
73. d if the memory check is OK and BAD is printed if the memory check fails 5 Output level to DTR RTS and SSD signals is dropped low If DSR CTS or CD signals is High IF BAD is printed If DSR CTS and CD signals are all Low IF OK is printed 6 Output level to DTR RTS and SSD signals is raised high If DSR CTS or CD signals is Low IF BAD is printed If DSR CTS and CD signals are all High IF OK is printed 7 Transmits characters codes from 20H to 7FH is transmitted by SD signal At the same time characters are received by the RD signal and stored in the message buffer 8 The characters that were stored in the message buffer as indicated in 7 are printed 9 Steps 1 through 8 are repeated until test is interrupted Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide for PM4410 Chapter C Maintenance Support Function Page 165 1 Normal mode 1 DIP Switch Settings DIP SWITCH DIP SWITCH DIP SWITCH DIP SWITCH Function 4 3 2 1 Normal mode O ON X OFF ignored 2 Power ON Switch Function SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH Function SEL MENU CONFIG PATH FF LOAD LF TEAR PARK RESET TOF O Starts menu m O O Star
74. dhering 3 Platen printing face To prevent stained paper 4 Feed roller rubber face and resin face To prevent stained paper 5 Pitch belt To prevent rubber degradation 6 Head cable To prevent deterioration 7 Micro switch To prevent stained paper 8 Pin tractor surface To prevent contacts 9 Auto gap disc To prevent dust adhering Sliding Surface between Bail Life Lever and Shalt at left and right GEP A 2 points at upper and lower Bail Litt Laver Rack GEP A at left and night Sliding Surface between Feed Shaft Bearing and Side Frame at upper and lower GEP A 2 paints at upper and lower Shatt oy PM B 2 points at upper and lower Right Side View Sliding Surface between Bal Life Lever and Stud at left and right GEP A at laft and right 63 2an i GEP A Siding Surface between Bail Lie Lever and Bail Motor Bracket GEP A A ww be oss Gita tak FEA Seer vs Adjusting Cam Surface GEP A at left and righi 7 eae _ l Pa ONY de Pulley Shall PM B 1 a ee a Gar lae Sunaca GEP PAVA r ere oe j F ii k ut Siding Surface betwean orna any Dango vog Tractor Change Lever Rack i PM 8 GEP A Sliding Surlace between Tractor C e Lever SP and Changes Gear GEP CB Back Sida of Tractor Change Levar Slide Frame Conn Surface GEP Left Side View Sliding Surface between Platen Slide Plate and Plat
75. dure i Connect the AC cable and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on I the power switch of the printer Connect 2 Do not try disassembly as long as the printer is operating normally 3 Do not remove unnecessary parts try to keep disassembly to a minimum 4 Use specified service tools 5 When disassembling follow the determined sequence Otherwise parts may be damaged 6 Since screws collars and other small parts are likely to be lost they should temporarily be attached to the original positions 7 When handling ICs such as microprocessors ROM and RAM and circuit boards do not wear gloves that are likely to generate static electricity 8 Do not place printed circuit boards directly on the equipment or floor 9 If adjustment is specified in the middle of installation follow the instructions 10 Disassembly prohibited parts The following units and parts should not be disassembled because they cannot reassembled if they are broken apart Unit Disassembly prohibited parts Details Printhead Printhead Printhead unit Printer Unit Space motor Motor unit Ribbon pulse motor Autogap motor Tractor change motor Bail motor Printer Unit Eccentric collar L R Eccentric collar fixing screw within the bearing on the adjusting cam white painted part Printer Unit Gap sensor Gap sensor fixing screw AG sensor frame Assy
76. e 123 OK Y Service Guide for PM4410 Chapter 7 Troubleshooting 22 COVER OPEN is displayed on LCD even though Access Card is closed Check ON OFF operation of Cover Open Switch according to Maintenance Manual Normal ON OFF operation es No The cables to PRA Board CN1 and CN4 connected properly es No e Connect the cables properly Y Replace the Cover Open Switch Ribbon Rotation Sensor cable Recovered o Yes End Y Replace the junction cable between PRA Board CN1 and PMA Board CN2 Recov ered o Yes End Yy Replace PMA Board Recovered o Yes End Y Replace PRA Board Y The claws on Access Cover damaged o Yes Replace Access Cover Y XXX mounted properly o Yes Install XXX properly Check the mounting of Cover Open Switch Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 124 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 23 Pressing Operation Panel Switches does not make Printer operate after normal initialization The cable between POA Board CN1 and PHA Board CN12 connected properly es No Connect the cable properly Y Check conduction at the junction cable between POA Board CN1 and PHA Board CN12 Normal conduction es No Replace the junction cable Y Replace POA Board Recovered re Replace the jun
77. e Alarm Lamp blinks 27 ERROR S RAM is displayed on LCD while Alarm Lamp blinks 28 ERROR CG ROM is displayed on LCD while Alarm Lamp blinks 29 ERROR CENTERING is displayed on LCD while Alarm Lamp blinks Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 102 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 1 Printer is not powered on at all The AC cable connected property Yes No Connect the cable properly AC Input Fuse blown No Yes Replace it with a new AC Input Fuse of the same type and rating Remedied No Yas End Replace the power supply unit or connection cable See section X X X Are the 5V outputs in the control board provided Are the 5V outputs in Control Board provided Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force Check the voltage between Control Block C75 side and GND1 or GND2 Yes No The cables to Control Block CNS and to Power Supply Unit DCOUT2 connected properly Yes No Connect the cables properly The cable to Power Supply Unit CN1 connected property Yes No Connect the cable properly Replace Power Supply Unit The cable to PMA Board CN6 connected property Yes No Connect the cable properly The cabl
78. e Gears B 4 then remove Drive Gears B 4 Wave Washers 5 and Flat Washers 6 7 Slide Bail Lift Lever R 9 Drive Gear B 7 and Drive Gear C 8 to the oblique upper direction and remove Bearing Bail 10 8 Remove 2 Bail Springs 11 9 Remove Screw Stud 12 10 Slide Bail Support Shaft 13 to the right then remove it from left Bearing Bail 14 11 Lift Bail Assy 15 to the oblique upper direction and pull it out to the left 12 For installation reverse the removal procedure Note on Installation 1 The wave washers should be attached paying attention to the direction of them 2 The phase of bail lift lever L R should be matched in assembling them Gear Wave washer e Bush 5 asher Bush Left Side Flame Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 64 OK i Service Guide for PM4410 Chapter 4 Adjustments Adjustments 1 Be sure to carry out this adjustment with the printer mechanism mounted on the lower cover 2 Be sure to carry out this adjustment operation on a level and highly rigid work table flatness less than 0 039 inch or 1 mm so as to minimize adjustment error Service Tool e No 2 200 Philips screwdriver e No 2 200 screwdriver e Feeler gauge e 500g rod tension gauge e Calipers Adjustment should be conduct
79. e mini pitch belt and the carriage moves from the left to the right The DC servo motor rotating angle and speed are controlled by the count of A and B signals with a phase difference of about 90 from the encoder and the time intervals of the signals The rotating direction is determined by the sign positive or negative of the phase difference between gA and B The mechanism is designed so that the carriage moves 2 22 inches 56 44 mm when the DC servo motor makes one revolution Figure 2 22 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 25 OK Service Guide for PM4410 Chapter 2 Operation 2 2 3 Head gap adjusting The auto gap adjusting mechanism automatically adjusts the space between the platen and print head according to the thickness of papers This mechanism does this driving the platen back and forth with the AG motor pulse motor and effects the auto gap motion after the reverse motion of the platen The platen is reversed at power on or off line when cover open or paper end is detected and the auto gap adjusting motion is performed when the printer returns to on line When the printer is shifted to off line at power on or detection of paper end the platen reverses to the position that the space to the print head becomes wider than the thickness of paper gap open position
80. ed See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 148 OK i Service Guide for PM4410 Chapter 8 Parts List PMA PDA PCB Assembly Sor7 No Parts No Name Qty _ Remarks 1 40750403 PMA PCB Without ROM 1 2 40750402 PMA PCB 1 3 40750701 PDA PCB 1 4 40751201 Control ROM Writing Specifications 1 5 40751301 Font ROM Writing Specifications 1 6 Control ROM Writing Specifications 1 7 Font ROM Writing Specifications 1 8 56306132 Fuse 237 06 3 1 9 56305901 Fuse GGS5 1 10 1 11 Screw 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Bik Service Guide for PM4410 Chapter A PCB Layout Page 149 1 Circuit board PMA Control IC451C46 IC47 IC48 o FINCDEFFFFFFTFF H H H M H M H M H M K Al l H M H M H gt H a a a a 4 4 Ba X H p ou a Short Plug Setting Default T1 1 2 When either PAROM or CGROM is 8 1 2 I or 16Mbit mask ROM 1 T1 2 3 When either PAROM or CGROM is 1 2 II 32Mbit mask ROM 1 T2 Centronics I F Pin No 35 2 3 1 T2 1 2 In IEEE 1284 mode 2 3 1 3 T2 2 3 Compatible with PM3410 2 3 1 T3 1 2 When the PGROM is EPROM
81. ed after removing the Rear Cover B and setting the Dip Switch 1 on the board to ON maintenance mode See Note 1 and 2 Note 1 After the adjustment and lubrication have completed set the all the dip switches to OFF normal operation mode and fix the Rear Cover B with the mounting screws Note 2 The local test printing except for the menu printing should be implemented with all the dip switches set to OFF normal operation mode Item Items Standard Value Illustration Adjustment Method No 1 Protector Gap Adjustment 1 Remove the Rear Cov 1 Range Adjustment the board to ON mainte Temporary Maintenance DIP SW 2 Close the access cove pressing Switches 7 and 1 starts the auto gap adjusti forward backward up to th 3 When the platen stops 2 Protector Gap 1 insert the thickness ga protector frame to verify tr between 0 12 and 0 16 m Notes Although the adjus 0112 to 0 16 mm the confi from 0 09 to 0 2 mm 2 If adjustment is require post with the Phillips screv frame to make the protect and 0 16 mm then fix the Notes a The protector frame shx the platen when measure points AG Plate Gap C 0 14 0 02mm 1 Insert the thickness ga the AG plate to verify the and 0 16 mm 2 If adjustment is require screws and adjust the ecc protector gap value C bet fix the AG plate Notes After this Adjustme should be conducted See Auto G
82. en TEP 4 2 points at upper and lower Platen Slide Plate Siding Surface between Pressure Roller Piece and Feed Roller Shaft Pressure Roler Piece Gear Teeth Surfasoe Between Gear and Bracket Apply a small amount of Abania grease on the diagonally shaded section on the feed shaft siding surface GEP B top and bottom both right and lett Apply a small amount of Albania gre on the stud sliding surface All periphery GEP both right and lett Apply a small amount of Albania grease on the teeth surface of the rack GEP B both right and tett Apply a small amount of Albania grease on the bearing sliding surface All periphery GEP B both right and left Bail lift lever oblique view Apply a little amount of Albania grease on lack gear teeth surface GEP on the diagonally shaded section GEP B i4 points Tractor change lever Assy oblique view Apply a small amount of Albania grease on the stud siding surface GEP B both right and le t Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide for PM4410 Chapter 5 Maintenance Page 67 28 Option Interface nee ons T ons 56 ie 7 o aly ace goles Oe KTAS wew p iz AN m nc me Sen FOATAS Dalm O hap sa FOATAG P DeLee FOATA
83. en remove Cover Assy Front 14 and Door Assy Front 15 6 Unscrew 4 screws 16 then lift and remove Frame Assy Rear 17 7 Unscrew the screw 18 then remove Guide Paper B 19 8 Unscrew 6 screws 20 then lift and remove Plate Front stuck 21 9 Unscrew 4 screws 22 then remove Cover Rear B 23 and Plate Earth Cover Rear 24 together 10 Unscrew 2 screws 25 then remove Cover Blank lower 26 11 For installation reverse the removal procedure 45 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 34 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 2 Printer Unit 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unscrew 4 screws 2 which fix Printer Unit 1 3 Unplug I F Connecting Cable 4 and Head Cable 5 from Control Board 3 4 Unplug the connector to Power Supply Assy 6 and unscrew 2 screws 8 then remove FG Wires 9 5 Unplug Junction Board Cord 10 from Junction Board PRA Printed Board CN1 6 Unplug SP Slit Sensor Cord 11 7 With the handle 12 held lift and remove Printer Unit 1 Note on Installation 1 When lowering Printer Unit prevent connection cords cables from being caught under the unit Lifting and lo
84. ensor FLASH loading function Enables memory to be loaded to the FLASH ROM FLASH ROM AG correction function Measures AG pushdown for 3 times which is the number of pushdown slits from the position 210 slits away from the slit edge and prints each measured value and the average value Also stores the average value to EEPROM which is defined as a reference of AG correction value AG AG adjustment aid function Displays such values on the LCD as 1 frequency at 370PPS the number of slit counts 2 the number of slit counts from the slit edge to delta f 3 the number of pushdown slit counts from delta f delta f1 10 AG Menu default value loading function Rewrites the menu default values stored in the EEPROM by a provided command Menu default value Print header loading function Rewrites the data of the print header by a provided command Print header data Head temperature alarm detection mode setting function Indicates the fact that head temperature alarm has been detected on the printed output as a record Head temperature Gap open close test Performs 100 cycles of full open 1p close of gap AG Aging Performs a 10 min or 5 min continuous aging Mechanism 4 1 Auto gap test 4 2 Gap close 4 3 Sensor slice level learning function 4 4 All sensors ON OFF check function 4 5 Print start position PE sensor aligning function 4 6 FLASH memory l
85. er Exchange BPX for any updates to this material http opx okidata com Page 118 OK Y Service Guide for PM4410 Chapter 7 Troubleshooting 17 Printer operates normally but characters are not printed With MUPIS Card used Self Diagnosis Printing conducted normally es No Replace PMA Board Y The network cable to MUPIS Card LAN Cable connected properly es No Connect the cable property Y Replace the network cable to MUPIS Card LAN Cable Recovered lo Yes End y With Menu check Printer s recognition of MUPIS Card At Menu Setting select Set up as Group and Host Interface as Item OKI HSP isdisplayed in Set Window Printer recognizes the card MUPIS Card recognized by Printer es No MUPIS Card connected to PMA Board properly es No Connect it properly Y Replace MUPIS Board Y Check 12V output at PMA Board Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force Check the voltage between CN5 1 pin and CNS 8 pin Is 12V output es No Check conduction at the 8 pin on the junction cable between PMA Board CN5 and Power Supply Unit Connector DCOUT2 es No Replace the cable Y Replace Power Supply Unit lt Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upda
86. erature rise in the power supply circuit or an overcurrent of 44V The control unit suppresses the overcurrent by two pass printing If the output does not change the power supply circuit shuts off all DC output POW OFF P Output from the main PCB upon detection of an abnormality in the printhead SP motor LF motor Other motor driver circuit and shut all DC output off AC DOWN P Output from the power supply circuit to the main PCB upon detection of no AC input with the AC switch turned off Then the main PCB outputs the POWOFF P signal to the power supply circuit to have the necessary information written into EEPROM POW DWN P Output from the main PCB to the power supply circuit upon detection of no host or operator access for approx 10 min to start the power save mode In this mode the power supply circuit cuts off 44V output POW ONRST N Output from the power supply reset circuit to the main PCB On receiving the POWONRST N signal the main PCB prepares the main PCB RESET N signal and 5VDC Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 22 OK Service Guide for PM4410 Chapter 2 Operation 2 2 Mechanical Operation 2 2 1 Printhead mechanism and operation 2 2 2 Spacing operation 2 2 3 Head gap adjusting 2 2 4 Ribbon drive 2 2 5 Paper Feed Mechanism 2 2 6 Bail Feed Mechanism
87. erly Yes No Connect the cable properly The serial interface setting adjusted for the system Yes No Set it properly Replace the interface cable Recovered No Yes End With Menu check Printer s recognition of PAA Board the Option Serial Board attachment At Menu Setting select Set up as Group and Host Interface as Item If Opt Card is displayed in Set Window Printer recognizes PAA Board PAA Board recognized by Printer Yes No PAA Board and PMA Board connected properly Yes No Connect them properly Replace PAA Board With Menu check Printer s recognition of Option Serial Board At Menu Setting if Serial I F OP is displayed as Group Printer recognizes Option Serial Board Option Serial Board recognized by Printer Yes No Option Serial Board connected to PAA Board properly Yes No Connect it properly Replace Option Serial Board Check 12V output at PMA Board Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force Check the voltage between CN5 1 pin and CN5 8 pin Is 12V output Yes No Check conduction at the 8 pin on the junction cable between PMA Board CN5 and Power Supply Unit Connector DCOUT2 Yes No Replace the cable Replace Power Supply Unit Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partn
88. erved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 1 Page 2 OKu Service Guide for PM4410 Chapter 1 Specifications 1 1 Basic System Configuration The basic system configuration of Pacemark 4410 is illustrated below in Figure 1 1 AC souwe FUSE hor l Powar suppty unt Figure 1 1 Main combat Wow diver PC Head diner PCE Ball PE sansor Paper lop senso EE 1284 ASZ2c uF iF Operabon peri PCH Ball poston S Front PE SW Paper jam sansur Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 3 OK Service Guide for PM4410 Chapter 1 Specifications 1 2 Printer Specifications This printer unit is composed with the following hardware Printer mechanism Main control Motor driver board Head driver board Interface Motor Sensor board including IEEE 1284 bi directional parallel interface and RS 232C serial interface Motor Sensor and AG sensor boards Operation panel board Power supply unit Covers Figure 1 2 show the printer unit configuration Figure 1 2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 4 OK Service Guide for PM4410 Chapter
89. es not operate at all while Power Lamp is on 104 Alarm Lamp is on off and nothing is displayed on LCD 4 Spacing is abnormal while Alarm Lamp is on and 105 ERROR HOMING or ERROR SPACING is displayed on LCD 5 Carriage does not operate at all while the Alarm Lamp is 106 on and ERROR AUTOGAP is displayed on LCD 6 After Carriage works Alarm Lamp goes on and ERROR 107 in the upper row BAIL in the lower is displayed on LCD 7 After Carriage operates Alarm Lamp goes on and 108 ERROR in the upper row PATH CHANGE in the lower is displayed on LCD 8 After initialization Alarm Lamp goes on and ERROR in 109 the upper row RIBBON JAM in the lower is displayed on LCD 9 Paper is not line fed while the Alarm Lamp is on and 110 ERROR in the upper row FEED JAM in the lower is displayed on LCD 10 Papers line fed but FEED JAM is displayed on LCD 111 11 Printer does not operate at all while the Alarm Lamp is 112 on and ERROR FUSE is displayed on LCD Table of Contents Page 12 Printer goes off during operation 113 13 Printer does not operate after being turned on while 114 INITIALIZING is displayed on LCD 14 Wrong characters are printed or characters are omitted 115 15 Printer operates normally but characters are not printed 116 16 Printer operates normally but characters are not printed 117 17 Printer operates normally but charac
90. es to PHA Board CN1 and CN12 connected properly Y No Connect the cables properly 1 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 103 OK WY Service Guide for PM4410 Chapter 7 Troubleshooting 2 Printer does not operate at all while Power Lamp is on Alarm Lamp blinks and nothing is displayed on LCD The cable to POA Board CN2 connected property Yes No Connect the cable properly Replace LCD Unit Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 104 OK WT Service Guide for PM4410 Chapter 7 Troubleshooting 3 Printer does not operate at all while Power Lamp is on Alarm Lamp is on off and nothing is displayed on LCD e Replace POA Board Recovered No Yes End Replace Program ROM Recovered o Yes End Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK Y Service Guide for PM4410 Chapter 7 Troubleshooting Page 105 4 Spacing is abnormal while Alarm Lamp is on and ERROR HOMING or ERROR SPACING is displayed on LCD Paper rolled into Carriage No Yes
91. flow to the direction of arrow shown in the figure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 46 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 14 Head Cooling Fan 2 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unscrew the screw 1 and remove Cable Holder Cover 2 3 Unplug the connector 3 from I F Board PHA Printed Board CN6 6 4 Release the cords from the cord clamps on the cord route 5 Unscrew 2 screws 4 and remove Head Cleaning Fan 2 5 6 For installation reverse the removal procedure Note on Installation 1 The fan should be installed matching the direction of air flow to the direction of arrow shown in the figure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 47 OK i Service Guide for PM4410 Chapter 3 Disassembly 3 3 15 Space Motor 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Printer Unit See 3 3 2 3 Remove the stopper 1 4 Screw down 2 fixing screws 2 on Idle
92. g of interlok swith Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 57 OKI Service Guide for PM4410 Chapter 3 Disassembly 3 3 25 Knob Bracket Assy 1 Remove Bail Motor See 3 3 11 2 Unscrew the screw 1 and remove the gear 2 3 Unscrew 2 screws 3 and remove Knob Bracket Assy 4 4 Unscrew 2 screws 5 and remove AG Sensor Cover 6 5 Unscrew the screw 7 and remove Knob Cover 8 6 Remove the E ring 9 Gear 10 and Adjusting Knob 11 7 Remove Spring Pin 12 then remove Idle Gear Shaft 13 and CSF Drive Shaft 14 8 For installation reverse the removal procedure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 58 OKI Service Guide for PM4410 Chapter 3 Disassembly 3 3 26 Space Belt 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Space Motor See 3 3 15 3 Remove Printing Head See 3 3 18 4 Remove Idle Pulley 1 from Idle Pulley Bracket then remove Space Belt 2 5 Unscrew 5 screw and pull out Connector Guide 3 unscrew the screw 4 and remove Space Belt 2 6 For installat
93. g sure Idle Gear C 7 and Tractor Idle Gear 8 with AG Motor Assy 2 rotate smoothly without play mount the motor assy Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 41 OKT Service Guide for PM4410 Chapter 3 Disassembly 3 3 9 Mini Pitch Belt 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unscrew 2 screws 1 and remove Shaft Support Plate press fit 2 3 Screw down the screw 3 and turn Idle Pulley Assy 4 into the right direction 4 Remove Mini Pitch Belt 5 5 For installation reverse the removal procedure Note on Installation 1 Adjust the belt play after installing Mini Pitch Belt 5 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 42 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 10 Tractor Change Motor Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Printer Unit See 3 3 2 3 Remove I F Board See 3 3 6 4 Release the cords from Cord Clamp 3 on the cord route 5 Unscrew 2 s
94. h bail Assy and feed roller front upper closed 2 Bail open position This position is for the condition where a paper is being pulled into the bail unit with the bail Assy in open position and the feed roller front upper closed 3 Bail half open position This position is for the condition where a paper is parked or jammed with both bail Assy and feed roller front upper half opened to make removal of jammed paper easy The rotational force transmitted to the feed roller through mini pitch belt following the LF gear is furthermore transmitted to the bail roller allowing both side drive of paper at the bail unit Gear E Feed roller tof Aa Feed roller Oe fi rear lower r front upper Bp r Feed roller tiy Or front lower Bail lift lever R Figure 2 31 i Close position Close ii Open position Close iii Half open position Open Half open Figure 2 32 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 29 OK Service Guide for PM4410 Chapter 2 Operation 2 2 7 Paper End Detection Mechanism 1 Front Rear form end detection mechanism when the form with sprocket holes is used The form prevents the paper end lever tip end from coming into the hole on the sheet feeder cover rib and the microswitch is set to the ON state When the form
95. howing the following indications on the LCD Top line INITIALIZING Bottom Line COUNTER RESET 2 It resets the printed character number counter to 0 and rewrites the EEPROM 3 The printer returns to the normal Power On condition eee Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OKu Service Guide for PM4410 Chapter C Maintenance Support Function Page 168 4 Maintenance function The section has the following functions to help you service this printer Function name Summarized description of function Subject Sensor slice level learning function Sets the optimum slice level values for sensors Paper width sensor All sensor ON OFF check function Checks ON OFF switching of all the sensors Lower PE sensor Upper PE sensor Front PE sensor Rear PE sensor Tractor switching sensor Bail sensor Paper width sensor Paper JAM sensor Ribbon disengagement sensor Ribbon JAM sensor Cover open sensor Head pin test Checks if head pin is broken 18 pin head Auto gap test Performs auto gap motion 100 times Gap mechanism Gap close Shifts the gap to the 1p position Gap Print start position PE sensor aligning function Detects the position of installed PE sensor for the correction of distance towards print start position Print start position PE s
96. hts reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 173 OK i Service Guide for PM4410 Chapter C Maintenance Support Function 4 5 Print start position PE sensor aligning function Activating Power the printer on while holding the FF PARK switches Releasing Power off Condition When DIP 1 switch has been turned on Subject Print start position PE sensor This function measures and saves the distance between paper width sensor and print start position PE sensor for improving the accuracy of print start position on papers This function is advanced in the following steps 1 This function starts showing the following indication on the LCD Top line ADJUSTMENT Bottom line PE SENSOR POS 2 When the function successfully finishes the measuring operation the printer notifies of the normally completed motion by showing the function indications on the LCD Top line ADJUSTMENT Bottom line COMPLETE 3 In the case of the measurement being abnormally performed or when input jam or park jam occurs the function will not update the distance between PE sensor and paper width sensor showing the following indications on the LCD Top line ADJUSTMENT Bottom line FAIL 4 Initialize setting and return the printer to normal condition after the above steps Copyright 1998 Okidata Division of OKI America Inc All rights reserved See
97. http opx okidata com Page 121 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 20 After Carriage works the Alarm Lamp goes on and ERROR AUTOGAP is displayed on LCD Platen operates normally during initialization es No GotoB Y Adjust Head Gap Recovered o Yes End Y Adjust Core Gap Recovered lo Yes End Y The cables to PRA Board CN1 CN3 and PGA Board CN1 connected property es No Connect the cables property Y The cables to PMA Board CN2 CN6 and CN8 connected properly es No Connect the cables property Y The cables to PHA Board CN1 and CNS connected properly as No Connect the cables property Y Auto Gap Slit Sensor and Auto Gap Sit Disc mounted at the proper positions es No Install them properly Y The gear existing between Auto Gap Motor and Platen normal No tooth broken No overloading es No Install the gear property Replace it if damaged If the Auto Gap Motor gear is broken replace the whole Auto Gap Motor Y Check Auto Gap Slit Sensor wave form af PRA Board No problem 01 Examine between CN3 1 pin and SH4 62 Examine between CN3 2 pin and SH4 o Yes Replace PGA Board Recovered Yes End Y Replace the junction cable between PRA Board CN3 and PGA Board CN1 Recov ered Yes End Y Replace the Paper Front Edge Sensor Core Gap cable Recovered o Yes j End Y Replace PMA Board Recovered o Yes 7 End Y Rep
98. ile the Alarm Lamp is on and ERROR in the upper row FEED JAM in the lower is displayed on LCD The printing paper stuck on the paper feed route No Yes Remove the paper The cables to PHA Board CN1 and CN13 connected property Yes No Connect the cables properly The cable to PMA Board CN6 connected properly Yes No Connect the cable properly No failure at the gear between LF Motor and Tractor Unit Yes No Replace the broken gear If the LF Motor gear is damaged replace the whole LF Motor Replace PMA Board Recovered No Yes End Replace LF Motor Recovered No Yes End Replace the junction cable Recovered No Yes End Replace PHA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 111 OK Y Service Guide for PM4410 Chapter 7 Troubleshooting 10 Papers line fed but FEED JAM is displayed on LCD The cables to PHA Board CN1 and CNS connected properly Yes No Connect the cables properly The cable to PMA Board CN6 Connector connected properly Yes No Connect the cable properly Feed Jam Sensor mounted properly Yes No Install it properly Replace the FEED JAM Bail Paper End Sensor cable Recovered No Yes End Replace PMA Board Recovered No Yes End Replace the junction cable Recovered No Yes End Replace PHA Board
99. ime is corrected according to the number of pins driven at the same time out of 18 pins 2 Correction according to adjacent pin drive timing The driving time is adjusted by checking whether the pin adjacent to the pin to be driven is driven on the previous timing 3 Correction for head gap The driving time is corrected according to the head gap Dot magnet drive coil current DT1 signals D1 D18 DT2 signals D1 D18 Figure 2 12 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 15 OK Service Guide for PM4410 Chapter 2 Operation 2 1 9 Print Compensation Control The print compensation can be made as shown below a Simultaneous Compensation of the number of impact pins The NHDC LSI is provided with the compensation table for each pin to make necessary compensation Number of impact pins b Duty control 1 If the number of the lines which exceeds 60 printing duty is continuous 8 lines the printer starts 2 path printing at the 8th line 2 If the printer can activate 12 pins simultaneously in a line it 2 path prints the line c Temperature compensation See 2 1 14 Alarm Circuit d Print mode compensation According to the thickness of the printing medium the print mode is compensated as shown in the table below Head Gap Range 1 2 3 4 5
100. iness Partner Exchange BPX for any updates to this material http opx okidata com Page 60 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 28 Paper Jam Sensor Assy Bail PE Sensor Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unscrew the screw 1 and release the latch then remove Paper Jam Sensor Assy 2 3 Unscrew the screw 3 and release the latch then remove Bail PE Sensor Assy 4 4 Unplug the connector 5 from I F Board CN3 5 Unscrew 2 screws 6 7 and remove Paper Jam Sensor 8 6 For installation reverse the removal procedure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 61 OKI Service Guide for PM4410 Chapter 3 Disassembly 3 3 29 Sprocket Assy L R Front Tractor 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Printer Unit See 3 3 2 3 Remove Space Motor Fans See 3 3 21 4 Remove 2 Sheet Guides 1 5 Unplug the connector 3 from I F Board PHA Printed Board CN5 2 6 Release cords at cord clamps and remove the Snap Band 7 Release the claw to remove Front Tractor Drive Gear 4 8 Pull out
101. interface and RS 232C serial interface as standard features Also it can be connected to option OKI HSP or Opt Card The interface cable can be connected simultaneously with these interfaces These interfaces can be switched with the menu switch on the operation panel in addition you can designate auto select for them The MPU communicates with hosts through the NHDC according to the selected interface mode The selected interface is stored to the EEPROM and can maintain even after powering the printer off Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 11 OK YT Service Guide for PM4410 Chapter 2 Operation 2 1 5 Parallel Interface Control The Parallel data input from the host to the NHDC LSI is latched to its internal register at the falling or rising edge of the STROBE N signal At the same time the LSI sets the BUSY signal to the high level to inform the host that the data is being processed and outputs the INT P 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 ends the BUSY signal is set to off and the ACK N signal in sent to request the next data When reception is impossible because the buffer is full the BUSY signal is sent to request stopping of data transmission NHDC LSI Data 1to8 STROBE
102. ion 4 8 AG correction function Activating Power the printer on while holding the TEAR PARK switches Releasing The measurement ends at power off Condition When DIP switch 1 has been turned on Subject AG This function corrects and indicates AG control values This function is advanced in the following steps 1 This function starts showing the following indications on the LCD Top line ADJUSTMENT Bottom line AG DETECT DATA 2 Pressing FF LOAD switches will start the paper feed At this time the weight of paper set is to be 55kg 3 The printer performs AG for 3 times 4 The printer prints the pushdown slit number from the position 210 slits away from the slit edge each AG operation and the average slit number in the following format The slit number at the first time xxxH HEXADECIMAL NUMBER The slit number at the second time xxxH HEXADECIMAL NUMBER The slit number at the third time xxxH HEXADECIMAL NUMBER The average slit number xxxH HEXADECIMAL NUMBER But if the Auto Select has not been set to the Valid in the menu press the ON LINE switch after paper feed 5 Store the average slit number to the EEPROM which will be used as a return amount from the paper surface at a future AG operation 6 If the average slit number is 11 counts or less or 34 counts or more the printer displays a warning indication and stops the function Sets the average count number invalid and s
103. ion reverse the removal procedure Carriage frame Hook the nail on Assembly drawing Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 59 OKI Service Guide for PM4410 Chapter 3 Disassembly 3 3 27 AG Sensor Frame Start Searching Sensor 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unscrew 2 screws 1 and remove Rear Plate 2 3 Unscrew 2 screws 3 and remove AG Sensor Cover 4 4 Unscrew 2 screws 5 unplug the connector 6 and remove AG Sensor Frame 7 and release the latch then remove Start Searching Sensor Lever Assy 9 and Start 5 Unscrew the screw 8 10 together Searching Sensor Cord 6 Unscrew the screw 11 and unplug the connector 12 from I F Board CN9 then unplug Start Searching Sensor Cord 10 7 For installation reverse the removal procedure Note on Installation 1 In assembling AG sensor frame 7 it should be pulled in the direction of arrow shown in the figure 2 After assembling the AG sensor frame 7 check the AG plate gap as stated in Section 2 of Chapter 4 ADJUSTMENTS and execute the auto gap correction as stated in Section 3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bus
104. knob mounted on the ribbon cassette synchronizes with ribbon rotation and detects the rotation using the sensor The RBNSEN P signal from this sensor is input to the sub LSI IC 17 for the MPU to monitor the rotation With no rotation for 16 sec or longer the MPU stops the printing operation informs the host of the ribbon jam and lights the alarm lamp Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 21 Service Guide for PM4410 Chapter 2 Operation 2 1 15 Power supply circuit This switching type power supply circuit supplies the 5 VDC 12 VDC and 44 VDC Noise filter circuit SW FUSE ACIN 44 V primary Rectification and 44V POWALM P POWOFF P POWDWN P switching circuit smoothing circuit Switching Alarm control control circuit circuit 5 V and 12 V primaty switching 5V 12V 12V POWONRST N ACDOWN P Figure 2 19 The uses of output voltages and signals are described below Voltage signal Use 5V Logic IC LED drive voltage 12V Logic IC drive voltage option interface line voltage and LF motor locking voltage 12V Option interface line voltage 44V Printhead SP motor LF motor Other motors drive voltage POW ALM P Output from the power supply circuit upon detection of an abnormal temp
105. l level When the High level is kept for one minute or longer the MPU stops the printing operation informs the host of the fan alarm and lights the alarm lamp 6 Head thermistor short open alarm circuit The head thermistor voltage is monitored physically When short or open circuit occurs the HDTHALM N signal is input to the sub LSI IC18 and read by the MPU The MPU stops the printing operation informs the host of the short open alarm and lights the alarm lamp When the head is unloaded the head thermistor becomes open resulting in this alarm 7 SP motor thermal alarm circuit The voltage at the thermistor built in the SP motor encoder block is monitored physically When temperature higher than the specified level is detected the SPTHACM N signal is input to the sub LSI IC18 and read by the MPU The MPU starts printing with an approx 0 2 sec interval after each line to cool down the printer When the temperature becomes lower than the specified normal printing will be resumed 8 Fuse alarm circuit Fuses are mounted on each of the SP motor and the other pulse motors including LF motor where the voltage level is monitored physically When one or both of the fuses on the main control board are blown the FUSEALM P signal is input to the sub LSI IC18 and read by the MPU The MPU stops the printing operation informs the host of the fuse alarm and lights the alarm lamp 9 Ribbon jam alarm circuit The rotation detection
106. l setting have been normally and successfully determined Bottom line FAIL no appropriate level can be detected in each detection paper left no paper left Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 172 OK i Service Guide for PM4410 Chapter C Maintenance Support Function 4 4 All sensors ON OFF check function Activating Power the printer on while holding the PATH TEAR switches Releasing Power off Condition When DIP switch 1 has been turned on Subject Various PE sensors paper width sensor paper JAM sensor ribbon JAM sensor tractor switching sensor bail sensor and cover open sensor This function detects each sensor switching condition and displays the name of the switched sensor for about 500ms notifying the operator that the sensor is active This function is advanced in the following steps 1 This function starts showing the following indication on the LCD Top line SENSOR TEST Bottom line blank 2 It always monitors each sensor switching condition and when detecting a change displays the name of the sensor for about 500ms or more at the bottom line of the LCD 3 Initialize the setting by pressing SHIFT SEL RESET switches and returns the printer to normal condition Copyright 1998 Okidata Division of OKI America Inc All rig
107. lace the junction cable between PMA Board CN2 and PRA Board CN1 Recovered Replace the junction cable between PMA Board CN6 and PHA Board CN1 Recovered End Replace PRA Board Recovered lt lt z ze Replace PHA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 122 OK Y Service Guide for PM4410 Chapter 7 Troubleshooting 21 Paper is set at Tractor but printing is not conducted in the state of PAPER END Intervals between lines occur during printing e Check ON OFF operation of the Tractor used Front or Rear according to Maintenance Manual Normal N OFF operation yes No The cables to PHA Board CN5 for Front Tractor and CN4 for Rear Tractor connected properly es No Connect the cables properly Y Replace the Front Tractor Paper End Switch cable or the Rear Tractor Paper End Switch cable which is damaged Recovered o Yes End Y Replace the junction cable between PHA Board CN1 and PMA Board CN6 Recov ered o Yes End Y Replace PMA Board Recovered o Yes End Y Replace PHA Board Check the mounting of Tractor Paper End Switch Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Pag
108. n 23 2 2 2 Spacing operation 24 2 2 3 Head gap adjusting 25 2 2 4 Ribbon drive 26 2 2 5 Paper Feed Mechanism 27 2 2 6 Bail Feed Mechanism 28 2 2 Paper End Detection Mechanism 29 3 Disassembly 3 1 Precautions for Parts Replacement 30 3 2 Parts Layout 31 3 3 How to Change Parts 32 3 3 1 Cover Assy Access Cover Assy Side R 33 Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck 3 3 2 Printer Unit 34 3 3 3 Control Block Control Board PMA Printed Board 35 Driver Board PDA Printed Board 3 3 4 Power Supply Unit 36 3 3 5 PG Cooling Fan 37 3 3 6 I F Board PHA Printed Board 38 3 3 AG Board PGA Printed Board Connector Cord 39 3 3 8 AG Motor Assy 40 3 3 9 Mini Pitch Belt 41 3 3 10 Tractor Change Motor Assy 42 3 3 11 Bail Motor Assy 43 3 3 12 LF Motor Assy 44 3 3 13 Head Cooling Fan 1 45 3 3 14 Head Cooling Fan 2 46 3 3 15 Space Motor 47 3 3 16 Operator Board POA Printed Board 48 3 3 17 Ribbon Feed Assy 49 3 3 18 Printing Head 50 3 3 19 Head Cable 51 3 3 20 Ribbon Protector 52 3 3 21 Space Motor Fan 53 3 3 22 Junction Board 54 3 3 23 Cover Open Switch Assy Ribbon Rotation Sensor 55 3 3 24 Interlock Switch Interlock Switch Cord Assy 56 3 3 20 Knob Bracket Assy 57 3 3 26 Space Belt 58 3 3 2 AG Sensor Frame Start Searching Sensor 59 Table of Contents Page 3 3
109. n the upper row PATH CHANGE in the lower is displayed on LCD 8 After initialization Alarm Lamp goes on and ERROR in the upper row RIBBON JAM in the lower is displayed on LCD 9 Paper is not line fed while the Alarm Lamp is on and ERROR in the upper row FEED JAM in the lower is displayed on LCD 10 Papers line fed but FEED JAM is displayed on LCD 11 Printer does not operate at all while the Alarm Lamp is on and ERROR FUSE is displayed on LCD 12 Printer goes off during operation 13 Printer does not operate after being turned on while INITIALIZING is displayed on LCD 14 Wrong characters are printed or characters are omitted 15 Printer operates normally but characters are not printed 16 Printer operates normally but characters are not printed 17 Printer operates normally but characters are not printed With MUPIS Card used 18 Dots are omitted 19 Images are faint 20 After Carriage works the Alarm Lamp goes on and ERROR AUTOGAP is displayed on LCD 21 Paper is set at Tractor but printing is not conducted in the state of PAPER END 22 COVER OPEN is displayed on LCD even though Access Card is closed 23 Pressing Operation Panel Switches does not make Printer operate after normal initialization 24 ERROR D RAM is displayed on LCD while Alarm Lamp blinks 25 ERROR PROGRAM ROM is displayed on LCD while Alarm Lamp blinks 26 ERROR EEPROM is displayed on LCD whil
110. nd unplug the connector 2 from Junction Board PRA Printed Board CN12 4 then remove Space Motor Fan 3 4 For installation reverse the removal procedure Note on Installation 1 The fan should be installed matching the direction of air flow to the direction of arrow shown in the figure iD Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 54 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 22 Junction Board 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug all the connectors from the above 3 Unscrew 2 screws 1 and remove Junction Board PRA Printed Board 2 4 Unscrew 3 screws 3 and remove Junction Board Bracket 4 5 For installation reverse the removal procedure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 55 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 23 Cover Open Switch Assy Ribbon Rotation Sensor 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Head Cooling Fan 1
111. ng the SRAM e Head position count It counts the outputs from slit sensors SPPHASE A B located on the space motor to keep monitoring the current position of the print head f Print data modifying function It modifies the print data stored in the DRAM with command inputs from the MPU g DMA control function It outputs a DMA request to the MPU simultaneously controlling the DMA This LSI is connected in multiplex to the MPU MPU Main LSI A16 BHE SS ADO AD15 ad MPU CLOCK L L _ L ALE F ey O Me BHE AYLI NEBEN IZILI LLLA AD0 AD15 RD aiii AOA XO eS WR OT O 7 NHDC LSI IC27 TC190GO8CF 7036 This LSI controls timer interruption memories printing external interface motor drive interface a Timer control It controls the watchdog timer for detecting any out of control program baud rate generator for setting the baud rate of the serial interface and pulse generation timer for AG plus count b Interruption control It controls LSI inside interruptions external interruptions and interruptions from an external interface as outputs for the MPU c Memory control DRAM and SRAM control chip select output control of ROM flash memory and MUPIS and bank switch control for expanding their memory spaces d Print control It creates a print timing corresponding to the print DPI to control the position and print correction for pins This also controls the print Mask and DMA
112. o2 Examine between CN2 3 pin and SH6 03 Examine between CN2 2 pin and SH6 o4 Examine between CN2 1 pin and SH6 No Yes Abnormal OVDV wave torm Yes No D Replace PMA Board Recovered o Yes End Replace the junction cable between PMA Board CN2 and PRA Board CN1 Recovered o Yes End Replace PRA Board Replace PDA Board Recovered No Yes End 5 1 Go to D Replace Auto Gap Motor The cables to PRA Board CN1 CN3 and PGA Board CN1 connected properly Yes No Connect the cables properly The cables to PMA Board CN2 and CN8 connected properly Yes No Connect the cables property Auto Gap Slit Sensor and Auto Gap Slit Disc mounted at the proper positions Yes No Install them properly The gears existing between Auto Gap Motor and Platen normal No tooth damaged No over loading Yes No Mount the gear properly Reptace it if broken if the Auto Gap Motor gear is damaged replace the whole Auto Gap Motor Check the Auto Gap Sensor wave form at PRA Board No problem oA Examine between CN3 1 pin and SH4 oB Examine between CN3 2 pin and SH4 No Yes Replace PGA Board Recovered No Yes End Replace the cable between PRA Board CN3 and PGA Board CN1 Recovered No Yes End Go to D Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 107 OK YT
113. oading function 4 7 Head pin test 4 8 AG correction function 4 9 AG adjustment aid function 4 10 Autogap Open Close Test 4 11 Aging Function Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 169 OK Service Guide for PM4410 Chapter C Maintenance Support Function 4 1 Auto gap test Activating Power the printer on while holding the LF PARK switches Releasing It automatically ends at power off Condition When DIP switch has been turned on Subject Gap mechanism Use this function to perform an aging on auto gap mechanism This function is advanced in the following steps 1 This function starts showing the following indications on the LCD Top line ADJUSTMENT Bottom line AUTO GAP 2 It provides auto gap motions at least 100 times with every motion waiting approx 500 ms until the next motion 3 The printer returns to normal condition after initialization Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 170 OK Service Guide for PM4410 Chapter C Maintenance Support Function 4 2 Gap close Activating Power the printer on while holding the CONFIG FF switches Releasing It automatically ends
114. om Page 114 Service Guide for PM4410 Chapter 7 Troubleshooting 13 Printer does not operate after being turned on while INITIALIZING is displayed on LCD The interface cable connected properly Yes No Connect the cable properly Replace the interface cable Recovered No Yes End Replace PMA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 115 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 14 Wrong characters are printed or characters are omitted Self Diagnosis Printing conducted normally Yes No Replace PMA Boatd _ The interface cable and the network cable connected properly Yes No Connect the cables properly The cables to PMA Board CN6 and PHA Board CN1 connected properly Yes No Connect the cables properly Replace the interface cable Recovered No Yes End Replace the junction cables to PMA Board and to PHA Board Recovered No Yes End Replace PHA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 116 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 15 Printer operates normally but characters are not printed Self Diagrid is Printing cdnducted normally
115. om Page 162 OK WY Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 3 1 Circuit test mode 2 3 1 1 Setting 2 3 1 2 Function Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 163 OK WT Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 3 1 1 Setting 1 Diagnostic test set by menu 2 Test connector Connect the test connector shown in Figure B 3 6 to the interface connector Equivalent to Cannon DB 25P Figure B 3 6 Test Connector Connection Diagram Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 164 OK Service Guide for PM4410 Chapter B RS 232C Serial Interface Board 2 3 1 2 Function After the settings outlined in Section 3 3 1 1 are completed and power is turned on the serial interface checks the message buffer memory and interface driver receiver circuit It then prints characters To start and stop this test push the SEL switch on the front of the printer Details of this test are explained on the next page 1 The program revision using two numerical characters is printed 2 LOOP TEST is printed 3 Memory is checked for the message buffer 4 Prints OK is printe
116. opx okidata com Page 175 OK i Service Guide for PM4410 Chapter C Maintenance Support Function 4 7 Head pin test Activating Power the printer on while holding the FF PARK switches Releasing Power off Condition n a Subject Head pin Use this function to perform such printing as uses all the printing head pins to determine whether there is any broken pin or not This function is advanced in the following steps 1 This function starts showing the following indication on the LCD Top line SELFTEST Bottom line PIN PATTERN 2 The printer prints the header of model name and so on and then sequentially prints Head A Group 1 Head B Group 1 Head A Group 2 Head B Group 2 Head A group 9 Head B Group 9 to check if any of them is broken or not PM4410 MEI A FWxx xx c0000x R xx CGxx xx lt l gt lt 2 gt lt 3 gt lt 4 gt lt 5S gt lt gt lt 7 gt lt 8 gt lt 99 gt tI FE FL FE bt blo tb FUE ov The behind pin of 9 The ahead pin of 9 3 Uses a pseudo 120DPI image for printing as its print mode 4 Initialize the setting and return the printer to normal condition after the completion of the printing Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 176 OK i Service Guide for PM4410 Chapter C Maintenance Support Funct
117. or and Tractor Change Levers Yes No Replace the damaged gear It Path Change Motor gear is broken replace the whole Path Change Motor Replace Path Change Motor Recovered No Yes End Replace PDA Board Recovered No Yes End Replace PMA Board Recovered No Yes End Replace the junction cable Recovered No Yes End Replace PHA Board The cables to PHA Board CN1 and CN11 connected property Yes No Connect the cables property The cable to PMA Board CN6 connected properly Yes No Connect the cable properly Replace the Bail Open Switch Front Tractor On Switch cable Recovered No Yes End Replace PMA Board Recovered No Yes End Replace the junction cable Recovered No Yes End Replace PHA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide for PM4410 Chapter 7 Troubleshooting Page 109 8 After initialization Alarm Lamp goes on and ERROR in the upper row RIBBON JAM in the lower is displayed Yes on LCD Ribbon fed during initialization No The cables to PRA Board CN1 and CNS connected properly Yes No Connect the cables properly The cable to PMA Board CN2 connected properly Yes No Connect the cable property Check the wave form during ribbon feeding at PRA Board No problem OVDV Examine between CNS
118. ors to Power Supply Unit 1 3 Unscrew the screw 2 and release Earth Wire 3 4 Unscrew the screw 4 and remove Bracket PG 5 5 Unscrew 2 screws 6 Pulling forward the protrusion on Power Supply Unit 1 and sliding it in the arrow direction through 2 inserting positions remove Power Supply Unit 6 For installation reverse the removal procedure Note on Installation 1 Insert the protrusion on Power Supply Unit 1 into the inserting positions on Lower Cover 7 and mount the Unit 2 The fan should be installed matching the direction of air flow to the direction of arrow shown in the figure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 37 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 5 PG Cooling Fan 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear See 3 3 1 2 Unplug the connectors 2 to Junction Board PRA Printed Board CN13 1 3 Unscrew 2 screws 3 and remove PG Cooling Fan 4 4 For installation reverse the removal procedure Note on Installation 1 Mount the fan to produce wind in the direction as indicated on PG Fan Bracket 5 2 The fan should be installed matching the direction of air flow to the direction of arrow shown in the figure N13 Air Flow
119. r 2 Operation 2 1 3 Initialization This printer is initialized when the power is turned on or when the I PRIME N signal is input from the host side via the parallel interface For the initialize operation the RESET N signal is first output from the reset circuit to reset the MPU and LSIs When resetting ends the program starts and the LSIs are reset by NHDC LSI via LRESET N Reset operation by I PRIME starts program to initialize but does not reset the MPU The program here sets the mode of the LSI including the MPU checks the memories ROMs and RAMs then carries out carriage homing and determines the LF motor phase Finally the program establishes the interface signals P I F ACK P signal sending and S I F BUSY N signal off and lights the SELECT lamp to inform the ready state for receiving to the host side and ends the initialize operation MPU RESET MPU Initial Setting Internal RAM CHECK ROM CHECK LSI RESET External RAM CHECK LSI Initial Setting and VF Busy ON Carriage Homing LF Motor Phase Initialization Parallel VF VF ACK Send VF BUSY OFF Figure 2 7 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 10 OK Service Guide for PM4410 Chapter 2 Operation 2 1 4 Interface Control The PM4410 is provided with the centronics parallel
120. r 6 Maintenance 27 MUPIS Interface Option erm ETE J WSDOT z wesma x wesi WLUFTS CARD MPAP WPSCEN MPSOP CONDI MUPIS CARD 821 amp 2 2 B S 8 EEEIEE Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 100 OK YT Service Guide for PM4410 Chapter 6 Maintenance 29 Continuous Form Paper Cutter Option CUTMOYDV P CONTINUOUS FORM PAPER CUTTER Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 101 OK i Service Guide for PM4410 Chapter 7 Troubleshooting Troubleshooting 1 Printer is not powered on at all 2 Printer does not operate at all while Power Lamp is on Alarm Lamp blinks and nothing is displayed on LCD 3 Printer does not operate at all while Power Lamp is on Alarm Lamp is on off and nothing is displayed on LCD 4 Spacing is abnormal while Alarm Lamp is on and ERROR HOMING or ERROR SPACING is displayed on LCD 5 Carriage does not operate at all while the Alarm Lamp is on and ERROR AUTOGAP is displayed on LCD 6 After Carriage works Alarm Lamp goes on and ERROR in the upper row BAIL in the lower is displayed on LCD 7 After Carriage operates Alarm Lamp goes on and ERROR i
121. r 6 Maintenance 5 Path change motor Resistance of each coil should be about 90 Ohms PATH CHANG Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 78 OK YT Service Guide for PM4410 Chapter 6 Maintenance 6 Auto gap motor Resistance of each coil should be about 90 Ohms Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 79 OK YT Service Guide for PM4410 Chapter 6 Maintenance 7 Bail motor Resistance of each coil should be about 90 Ohms PMA PCB BEIL MDV1 BAIL MCOM BEILMDV3 BAILMDV2 BEIL MDV4 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 80 OK YT Service Guide for PM4410 Chapter 6 Maintenance 8 Space Fan1 SPFANDV P SPFANALM1 P SG Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 81 OK YT Service Guide for PM4410 Chapter 6 Maintenance 9 Space Fan2 PMA PCB Space Fan SPFANDV P SPFANALM2 P oO SG
122. r supply circuit Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 6 OK Service Guide for PM4410 Chapter 2 Operation 2 1 1 Summary Fig 2 1 shown in next section shows the block diagram of the printer The control board is made up of the microprocessors peripheral circuits drive circuits sensors and interface connectors The power to the control board is supplied by the power board through the connector cord The power to other electrical parts is also distributed through the connectors within the control board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 7 Page 8 OKT Service Guide for PM4410 Chapter 2 Operation 2 1 2 Microprocessor and the peripheral circuit 1 Microprocessor IC24 80C 186 16 This processor is a CMOS single chip computer with integrated peripheral device functions and a 16 bit MPU core The processor has a 20 bit address bus and a 16 bit data bus It is capable of accessing up to 4M bit program memory and 4M bit of data memory The following characteristics are also provided e High Speed DMA Channel x 2 e Programmable Interrupt Controller e Programmable 16 bit Timer x 3 e Programmable Memory and
123. ront tractor Assy This feeds a continuous paper set on the pin belt Simultaneously this drives the feed roller F R through the mini pitch belt following LF gear to carry the in synchronization with the tractor Feed Roller Rear Feed Roller Front Drive shaft Feed Roller Front Front tractor drive gear LF motor Pulse motor Figure 2 27 2 Rear tractor The rotation of the LF motor rotates 2 drive shafts through the LF gear change gear and rear tractor drive gear A B driving the pin wheel and pin belt of the tractor Assy This feeds a continuous paper set on the pin belt Simultaneously this drives the feed roller F R through the mini pitch belt following LF gear to carry the paper in synchronization with the tractor Rear tractor Assy Rear tractor driver gear Drive gear B Change gear LF gear LF motor pulse motor Figure 2 28 3 Tractor changing motion The front tractor and rear tractor are switched by exclusive tractor change motor pulse motor Operating keys on the operating panel and receiving a command rotates the tractor change motor moving the tractor change lever back and forth through gears so that the change gear moves transversely If the change gear is shifted to right the rotational force is transmitted to the front tractor gear driving the front tractor If the change gear is shifted to left the rotational force is transmitted to the rear tractor gear A driving the rear tr
124. rr O O Starts AG adju O O Flash Loading O O Starts aging m O O Starts aging m The above switches are also valid during Limited Operation The empty boxes indicates not pressed switches O indicates that the swit WW LLL Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 167 OK i Service Guide for PM4410 Chapter C Maintenance Support Function 3 Maintenance mode 2 1 DIP Switch Settings DIP SWITCH DIP SWITCH DIP SWITCH DIP SWITCH Function 4 3 2 1 O Maintenance information indication enabled mode O ON X OFF ignored 2 Operator panel switch Function SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH Function Valic ON LINE SHIFT CONFIG PATH FF LOAD LF TEAR PARK TOF O O The LCD displ number numb 3 Maintenance Information Display Condition LCD LCD Flash ROM Function Flash ROM Function Condition Condition Function Display Data Top line 1 8 Displays the value of line feed counter Current counter value Top line 9 16 Displays the value of print counter Current counter value Bottom line 1 8 Displays a correction value for AG centering Current counter value Bottom line 9 16 Reserved 4 Stored historical page number data
125. s 8 LPI spacing one LF 52 ms Continuous paper feed rate is 15 inches per second at head gap 1 2 9 Line Feed Pitches 6 LPI 0 167 inch 4 23mm 8 LPI 0 125 inch 3 175mm A variable line feed pitch of n 216 inch integer n 0 n 255 can also be specified Also 7 72 inch and n 72 inch can be specified PROPRINTERn 1 n 255 EPSON n 1 n 255 Cannot specify MSB 1 n 127 10 Power Requirements a Input power Single phase AC Voltage 120VAC 5 5 15 230 VAC 15 Frequency 50 60Hz 2 b Power consumption Local Test Max 295 W Rolling ASCII Utility Idle Max 15W Energy Star compliant c AC power cable Length Approximately 5 9 It 1 8 m Cable conforms to the UL CSA and European Standards Note AC power cable is not supplied 11 Ambient temperature and relative humidity Operating Non operating Storage Transportation Unit Temperature 41 to 95 32 to 109 4 14 to 122 40 to 158 F 5 to 35 0 to 43 10 to 50 40 to 70 CC Relative Humidity 20 to 80 10 to 90 5 to 95 5 to 95 RH Avoid condensation at all times 12 Vibration Operating Max 0 3G 5 to 150 Hz except at resonant frequency Non operating Max 1G 5 to 150 Hz except at resonant frequency 13 Impact Drop Test Packing 12 Drop 14 Noise The 8 second average noise is Max 55 dBA in quiet utility mode ISO 7779 15 Ribbon Genuine OKI cartridge ribbon Ink color Bl
126. s Partner Exchange BPX for any updates to this material http opx okidata com Page 134 OKI Service Guide for PM4410 Chapter 8 Parts List Printer Unit 3 of 3 No OKI Part OKI J Part Name Qty Per Unit 1 40538101 Printhead PM4410 1 2 40677101 Cover Assy Lower 1 3 40677201 Cover Assy Front 1 4 5 40677401 Door Assy Front 1 6 40768901 Plate Front Sticking 1 7 40520201 Cover Assy Access 1 8 40677601 Cover assy Side L 1 9 40677901 Cover assy Side R 1 10 40678301 Frame assy Rear 1 11 40678901 Frame Opepane Sticking 1 12 40520501 Cover Rear B 1 13 40627701 Guide Paper B 1 14 40738901 Cover Brank Lower 1 15 40777901 Plate earth Cover Rear 1 16 40658201 Guide Sheet 1 17 40498801 Spring Pressure 3 18 3PP4053 3795P001 Pressure Roller Piece 3 19 4PB4044 1358P002 Stopper 2 20 4PB4035 4456P001 Bearing 2 21 4LP 6418 13 Ball Bearing RSF 12 8 W 3 5 4 22 40608401 Drive Gear C 1 23 40608301 Drive Bear B 3 24 4PP3520 1306P001 Idle Gear 3 25 40555001 Bearing Metal Bail 2 26 40511801 Lever Bail Lift L 1 27 40511901 Lever Bail Lift R 1 28 40499601 Bail Assy 1 29 40791701 Spring Bail 2 30 40745501 Screw Stud 1 31 40609201 Bail Gear Bracket Assy 1 32 40608501
127. s the right installation and smooth one means the false installation the Gear latches Releasi Eling asher Drive shatt W Bush R Side View Rear tracor Assy Gears phase drawing 1 Matching the phase of pin tractors a Match the direction of pin wheel projections on right left pin tractor to that of mark on the 2 rear tractor drive gear b Match the direction of wheel projections on right left pin tractor to that of mark on 4 drive gear B and install 2 drive gear B to 5 3 rear drive shaft of the rear tractor Assy at a position where the directions of marks on 4 drive gear B and 2 rear tractor drive gear match Open up the notch to 1mm and assemble it positioning the notch as shown in figure 45 g Notch is rotated by 45 Rotated notch 6 Assembling friction piece Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 63 OKI Service Guide for PM4410 Chapter 3 Disassembly 3 3 31 Bail Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Mini Pitch Belt See 3 3 9 3 Remove Bail Motor Assy See 3 3 11 4 Remove 2 Drive Pulleys 1 5 Unscrew 2 screws 2 and remove Bail Gear Assy 3 6 Release the claws at right left Driv
128. selected in the menu mode to print these papers Continuous Envelope Weight Max 90 g m 24 Ibs Thickness Max 0 36mm 0 014 inch Width 76 2 254mm 3 10 inches Media supply Front paper feed only Card Weight Max 375 g m 100 lbs Thickness Max 0 20mm 0 008 inch Size 5 x 8 inches separated Media supply Front paper feed only Label Thickness Max 0 28mm 0 011 inch Size Max 381 x 83mm 15 x 3 25 inches Media supply Front paper feed only 4 Print speed Print Mode 10 CPI 12 CPI 15 CPI 17 1 CPI 20 CPI HSD 1066 CPS 1066 CPS 1066 CPS 1066 CPS 1066 CPS NLQ 200 CPS 200 CPS 200 CPS 200 CPS 200 CPS UTILITY 800 CPS 800 CPS 800 CPS 800 CPS 800 CPS 5 Maximum Number of Dot Columns per Line a Graphics Single Density Double Density Quadruple Density 816 1 632 3 264 b Text Print Mode 10 CPI 12 CPI 15 CPI 17 1 CPI 20 CPI HSD 1066 CPS 1066 CPS 1066 CPS 1066 CPS 1066 CPS NLQ 200 CPS 200 CPS 200 CPS 200 CPS 200 CPS UTILITY 800 CPS 800 CPS 800 CPS 800 CPS 800 CPS 6 Maximum Number of Characters per Line Character pitch CPI 5 6 7 5 8 5 10 12 15 17 1 20 ML EPSON IBM 68 81 102 116 136 163 204 233 272 7 Printhead Print method Impact dot matrix Number of dot wires 9 wires x 2 rows Dot wire diameter 0 36mm 0 014 inch 8 Line feed Speed 6 LPI spacing one LF 60 m
129. ss Partner Exchange BPX for any updates to this material http opx okidata com Page 70 OK Service Guide for PM4410 Chapter 6 Maintenance 6 3 Lamp and LCD Display 1 Printer mode display Table 6 2 and Table 6 3 PRINTER MODE ALARM _ SELECT LCD CONTENTS REMED Operation ONLINE OFF ON Indicates that the printer is ready mode for receiving HEX DUMP OFF ON Indicates that the printer is in the hex dump mode SELF TEST OFF OFF Indicates that the printer is in the self test mode MENU OFF OFF Indicates that the printer is inthe As for L menu mode messag refer to List Operator FRONT PAPER ON OFF Front form end alarm END REAR PAPER END ON OFF Rear form end EJECT JAM ON OFF Paper Eject Jam LODE JAM ON OFF TIITII Paper Load Jam pelo PRM TTT TT TT PARK JAM ON OFF Paper Park Jam FEED JAM ON OFF Paper Feed Jam PAPER JAM ON OFF TT IT ITTITITIT Paper Jam PAPEL PAPAL ITI RIBBON JAM ON OFF RIBBON FEED JAM Operator PATH CHANGE ON OFF Paper jam due to path change alarm JAM PAPER RELEASE OFF OFF Indicates that paper is released COVER OPEN ON OFF Indicates that the Access Cover is opened DATA REMAIN ON OFF Indicates that Cover Open Alarm occurred when data remained inside Cover Open during space system operation then Cover was closed Fault alarm For details see paragraph 2 fault alarm display Table 6 4
130. stien is sited by 025mm eo he rlernce poston 8 and 4 Gagliiraticn I g MMM ANINA NAA sE MN S AAN Qazi italiaa d E E T on yol oe Val MMI ae isiratjm LASETE Lore Minn MZ H S yLAINIENTL Gudgestralloe E bE FELETI MAAE HE DE e2 M e TEL WANNINNNONMM MK 2 Mi Seg HTN Degleabeatioe 7 Bd om Latt einai TUTPOUPCOD POR COTCGU POPCORN LOC ON LOG 2 TD TT EES LN Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 65 OK Service Guide for PM4410 Chapter 5 Maintenance 5 1 Cleaning Caution 1 Be sure to turn OFF the AC POWER switch before cleaning Remove the AC Power cord from the printer 2 Avoid dust inside the printer mechanism when cleaning 3 If a lubricated part has been cleaned be sure to apply lubricating oil to that portion after cleaning 1 Cleaning time When the equipment time has reached six months or 300 hours whichever comes first 2 Cleaning tools Dry cloth soft cloth such as gauze vacuum cleaner 3 Places to be cleaned Table 5 1 lists the places to be cleaned Table 5 1 Place to be cleaned Cleaning procedure Main shaft and the vicinity Remove paper waste and wipe off stain dust waste etc Paper travel surface Ribbon guide and the vicinity Copyright 1998 Okidata Division of OKI America Inc All rights reser
131. sy Knob 1 2 40794501 Knob Cover 1 3 51609701 Bush 1 4 40646101 Idle Gear Shaft 1 5 51240201 Gear 219 52 1 6 51241001 CSF Drive Gear 1 7 51902701 Adjust Knob 1 8 54004201 Spring Pin 1 9 Screw 1 10 E Ring 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 137 OK i Service Guide for PM4410 Chapter 8 Parts List Ribbon Assembly z o Parts No Name Qty Remarks 40458201 Motor Ribbon 1 Frame Assy Ribbon Feed 1 Ribbon Drive Gear Assy 1 Drive Gear Bracket 1 Idle Gear 1 Ribbon Feed Gear 1 1 1 1 1 51218101 Stacker Gear 51609701 Bush Shaft Idle Holder Ribbon Bracket SHT18R HS TY 23M Tie Wrap CO N or amp R Co Po o n fo N 13 Screw 14 Screw 1 15 Screw 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 138 OK Service Guide for PM4410 Chapter 8 Parts List Sprocket Assembly L Sprocket Assembly L 40507601 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http
132. tch Lever SP 1 115 40534501 Cover Open SW Ribbon Sensor Rotation 1 Cord 116 40798701 Locking Wire Saddle 10 117 40798702 Locking Wire Saddle 10 118 40652901 Continuous Form Cutter Code 1 119 40820601 Operation Panel Code with Core 1 120 40795002 One Touch Bush 5 121 4LP 6693 3 Flat Cable Clip FCC 225 19 1 76 2 1 122 4LP 6401 B1 Tie Wrap SHT18R HS TY 23M 1 123 4LP 6342 2 Wire Bundle Clamp 2 124 3200561J0620 Brake Resistor 62 Ohms 15W 1 125 3200560J0120 Oscillation Resistor 12 Ohms 40W 2 126 4PB3529 5116P001 Tapping Screw 127 4PB4013 3100P006 Cup Screw S Tight M3 128 4PB4053 1883P002 Cup Screw with Washer 6 129 40750403 PMA Printed Circuit Board Specs no 1 ROM with Bracket Sheet amp Fuse 130 131 540A2067T 1632 Fuse 237 06 3 1 132 540A23036M1502 Fuse GGS5 1 133 40751201 Control ROM Writing Specs 1 134 40751301 Font ROM Writing Specs 1 135 136 137 40750701 PDA Printed Circuit Board Specs with 1 Driver Board and Bracket 138 40414001 Power Supply 1 139 40534401 Trunk Board Cord 1 140 40785001 SP Slit Sensor Cord 1 141 40751001 POA Printed Circuit Board Specs only 1 Operation Panel Board 142 40742901 LDC Assy with Cord and Core 1 143 40533301 Nylon Connector Cord 13P 1 144 4YS4011 4311P006 Nylon Connector Cord 12P 1 o Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busines
133. terial http opx okidata com Page 44 OKT Service Guide for PM4410 Chapter 3 Disassembly 3 3 12 LF Motor Assy 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove I F Board See 3 3 6 3 Remove Printer Unit See 3 3 2 4 Remove Tractor Change Motor Assy See 3 3 10 5 Unscrew 3 screws 1 and remove LF Motor 2 6 For installation reverse the removal procedure Note on Installation 1 LF Motor Assy 2 should be mounted with the cord route as shown below LF Motor Assy Cord Route Fig Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 45 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 13 Head Cooling Fan 1 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Unplug the connector 1 from Junction Board PRA Printed Board CN6 6 3 Release the cords from the cord clamps on the cord route 4 Unscrew 2 screws 2 and remove SP Motor Fan Assy 3 5 Unscrew 2 screws 5 and remove Head Cooling Fan 1 5 6 For installation reverse the removal procedure Note on Installation 1 The fan should be installed matching the direction of air
134. ters are not printed 118 With MUPIS Card used 18 Dots are omitted 119 19 Images are faint 120 20 After Carriage works the Alarm Lamp goes on and 121 ERROR AUTOGAP is displayed on LCD 21 Paper is set at Tractor but printing is not conducted inthe 122 state of PAPER END 22 COVER OPEN is displayed on LCD even though 123 Access Card is closed 23 Pressing Operation Panel Switches does not make 124 Printer operate after normal initialization 24 ERROR D RAM is displayed on LCD while Alarm 125 Lamp blinks 25 ERROR PROGRAM ROM is displayed on LCD while 126 Alarm Lamp blinks 26 ERROR EEPROM is displayed on LCD while Alarm 127 Lamp blinks 27 ERROR S RAM is displayed on LCD while Alarm 128 Lamp blinks 28 ERROR CG ROM is displayed on LCD while Alarm 129 Lamp blinks 29 ERROR CENTERING is displayed on LCD while 130 Alarm Lamp blinks 8 Parts List Total Assembling Diagram 131 Printer Unit 1 of 3 132 Printer Unit 2 of 3 133 Printer Unit 3 of 3 134 Carriage Assembly 135 Knob Assembly 136 Ribbon Assembly 137 Sprocket Assembly L 138 Sprocket Assembly R 139 Sheet Feeder Assembly L Rear 140 Sheet Feeder Assembly R Rear 141 Bail Assembly 142 Lower Cover Assembly 143 Front Cover Assembly 144 Rear Cover Assembly 145 Access Cover 146 Frame Assembly OpePane 147 PMA PDA PCB Assembly 148 A PCB Layout 1 Circuit board PM
135. tes to this material http opx okidata com Page 119 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 18 Dots are omitted Head Gap adjusted properly es No Adjust Head Gap according to Maintenance Manual Y Implement Head Pin Test according to Maintenance Manual Is any pin missing es No Gotol4 T Replace Print Head Recovered Replace PDA Board Recovered l Ta Replace PMA Board Recovered Ta Replace Head Cable Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 120 OK YT Service Guide for PM4410 Chapter 7 Troubleshooting 19 Images are faint End of Ink Ribbon life po Replace Ink Ribbon 7 Head Gap adjusted properly eo Adjust it properly Y Check 44V output at PMA Board Slide Control Block toward outside without unplugging the cables Stop sliding when the cables becomes straight Do not extend the cables by force In this state turn Printer on and check the voltage between CN3 1 pin and CN3 Pin 12 More than 38V output es e Replace Power Supply Unit Y Replace Print Head Recovered o Yes End lt Replace PDA Board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material
136. the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 174 OK i Service Guide for PM4410 Chapter C Maintenance Support Function 4 6 FLASH memory loading function Activating Power the printer on while holding the PATH PARK switches Releasing Power off Condition In case the setting is enable in FLASH LOADING menu Subject FLASH ROM This function shifts the printer to the program loading mode to the FLASH ROM so the memory can be loaded to the FLASH ROM by FLASH loading command The loading to the flush ROM should be performed in the following steps 1 Set the Flash Loading item to be Enable in the Technical group of menu 2 Power the printer on while holding the press PATH and PARK switch LCD reads Flash Loading Mode 3 Send data with the command for changing Flash memory contents ESC DLE L pl m1 m2 4 Transmit the command to stop changing Flash memory contents ESC DLE M p1 5 Give the printer an ordinary power on after the receiving of the stop command shifts is to Flash Loading Mode End Have the printer operate according to the contents loaded in the Flash memory 1 Set the Flash ROM Used item at Yes in the Technical group of menu 2 Re power the printer on Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http
137. tions will be repeated 100 times Full open motion 1P close motion 500us weight 3 After initialization the printer returns to normal state Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 179 OK Service Guide for PM4410 Chapter C Maintenance Support Function 4 11 Aging Function Start up Power the printer on while holding the ON LINE CONFIG switches aging time 10 min or power the printer on while holding the ON LINE SHIFT switches aging time 5 min Releasing Lapse of either time ON LINE SW pressed Condition DIP switch should be turned to ON position Target Mechanism This function is executed according to the following procedure 1 The LCD displays the following messages informing of the start of this function Top line ADJUSTMENT Bottom line Aging 2 Spacing is performed from 0 to 13 6 at 96 6IPS Without LF motion 3 This function ends after a lapse of 10 min or 5 min From the viewpoint of control the number of spacing cycles is used Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com
138. tor Rear 2 76 40509601 Center Guide U 1 77 3PP4043 2453P001 Center Guide Lower A 1 78 40509701 Guide Lower B Center 1 79 4PP4043 2451P001 Friction Piece 1 80 40510501 Change Motor Bracket Assy 1 81 40511101 Tractor Change Lever 1 82 40794401 Tractor Change Lever SP 1 83 40615101 LF Motor 1 84 4LP 1313 33 Mini pitch Belt 1 85 40511201 LF Gear 1 86 40511301 Tractor Change Gear 1 87 4LB 190700 A Coil Spring 1 88 4PP4044 2800P001 Idle Roller 1 89 40511401 Pulley Assy Idle 1 90 40534201 Bail Open SW Front Tractor ONSW Cord 1 91 40141301 Slit Disk 1 92 40472401 Change Motor 3 93 4PP4044 3594P001 Idle Gear C 1 94 5LR 191324 Tractor Idle Gear 1 95 40512501 AG Motor Bracket Assy 1 96 40751101 PGA Printed Circuit Board Specs only 1 PGA PCB 97 40534601 AG Slit Sensor Cord 1 98 40513901 JAM Sensor Assy 1 99 40533901 Paper JAM Bail PE Sensor Cord 1 100 40646401 Knob Bracket Assy 1 101 40794501 Knob Cover 1 102 40646101 Idle Gear Shaft 1 103 4PP4043 2502P001 CSF Drive Gear 1 104 4PP4044 4193P001 Adjust Knob 1 105 SPP3 14SUS Spring Pin 1 106 4PP4043 1895P001 Stacker Gear 1 107 40750801 PHA Printed Circuit Board Specs with I F 1 Board and Bracket 108 40533801 I F Connection Cable HIROSEFC68 1 109 40750901 PRA Printed Circuit Board Specs only 1 Trunk Board 110 2051001P1000 Interlock SW AV14053 1 111 40785101 Interlock SW Connection Cord 1 112 40514401 Cover Open Lever 1 113 40514501 Interlock Switch Lever 1 114 40552901 Interlock Swi
139. tores default value 22 counts to the EEPROM as a return amount Top line ADJUSTMENT Bottom line WARNING 7 If the average slit number is 12 33 counts the printer will show a normal completion of the operation on the LCD and finishes this function Top line ADJUSTMENT Bottom line COMPLETE 8 The initial value of return amount is to be 22 counts Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 177 OK i Service Guide for PM4410 Chapter C Maintenance Support Function 4 9 AG adjustment aid function Activating Power the printer on while holding the LF TEAR switches Releasing Power off and press the reset Switch Condition When DIP switch 1 has been turned on Subject AG This function indicates the information which helps AG adjustment 1 This function starts showing the following indications on the LCD Top line ADJUSTMENT Bottom line AG DATA DISPLAY 2 The following information about the executed AG detection is shown on the LCD which can be held until the next AG detection Also an error reaching nearly one slit may occur in the number of slit counts Top line ADJUSTMENT Bottom line 1 2 characters Average head correction value 3 4 characters the range of gaps 5 8 characters the slit count number at 370PPS A 9 1
140. trude approx 10mm when the carriage is moved to the left side of the printer Head cable Head cable guide The condition of cables when the carriage is shifted to the left end Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 52 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 20 Ribbon Protector 1 Remove Printing Head See 3 3 18 2 Open Access Cover 1 3 Unscrew the screw 2 and remove the cord clamp 3 4 Unscrew the screw 4 and remove Paper Width Sensor 5 5 Unplug the connector 6 6 Remove 2 Ribbon Guide Posts 7 and 2 washers 8 7 Remove Ribbon Protector 9 8 For installation reverse the removal procedure Note on Installation 1 In assembling the ribbon protector make an adjustment according to the Section 1 2 Protector Gap of Chapter 4 ADJUSTMENTS Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 53 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 21 Space Motor Fan 1 Remove Cover Assy Access Cover Assy Side R Cover Assy Side L Cover Assy Front Frame Assy Rear Plate Front stuck See 3 3 1 2 Remove Printer Unit See 3 3 2 3 Unscrew 2 screws 1 a
141. ts menu m O Starts demo p O Starts rolling A O O Starts head pir O Starts HEX DL SWITCH SWITCH SWITCH SWITCH SWITCH Function GROUP ITEM OPTION STORE MENU O O Sets MENU setting CFG 1 to factory default Note O O Sets MENU setting CFG 2 to factory default Note O O Sets paper input location to factory default O O Sets MENU setting CFG 1 and 2 paper input location default Note O O Sets header MENU settings CFG 1 and 2 to ROM fixer Sets paper input location to factory default Note Registration flash ROM USED setting holds the values of current setting eS SS ss Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide for PM4410 Chapter C Maintenance Support Function Page 166 2 Maintenance mode 1 1 DIP Switch Settings DIP SWITCH DIP SWITCH DIP SWITCH DIP SWITCH Function 4 3 2 1 O Maintenance information indication enabled mode O ON X OFF ignored 2 Operator panel switch Function SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH SWITCH Function Valic ON LINE SHIFT CONFIG PATH FF LOAD LF TEAR PARK TOF O O Starts learning O O Starts auto ga O O Gap open clos O O Starts gap clos O O Starts ON OFF O O Starts the aligr O O Resets the cot O O Starts AG co
142. ved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 26 OK Service Guide for PM4410 Chapter 2 Operation 2 2 4 Ribbon drive The ribbon feed mechanism feeds the ink ribbon and functions by driving the ribbon motor pulse motor 1 Ribbon cartridge This has a mechanism of capable of printing clear characters at all times by using a one way feed endless ribbon 2 Feeding The ribbon feeding mechanism starts running regardless of whether the printer is printing or not and stops at the same time when the spacing motion stops When the ribbon motor is driven the rotational force is transmitted to the drive roller in the ribbon cartridge through ribbon feed gears and the ink ribbon fed Ribbon cartridge Drive roller Ribbon feed gear idle gear Stacker gear Ribbon feed mechanism Figure 2 26 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 27 OK Service Guide for PM4410 Chapter 2 Operation 2 2 5 Paper Feed Mechanism The line feed on the print paper is driven by the LF motor pulse motor and done by rotating the sheet feeder and feed roller 1 Front tractor The rotation of the LF motor rotates the drive shaft through the LF gear change gear and front tractor drive gear driving the pin belt of the f
143. ved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 66 OK i Service Guide for PM4410 Chapter 5 Maintenance 5 2 Lubrication This printer is designed to be maintenance free and requires no lubrication during normal operation However it is necessary to apply lubricant in case the printer is disassembled reassembled cleaned or parts have been changed 1 Cleaning time Remarks 1 Turn off the power before cleaning 2 Make sure that paper dust will not fall inside of the machine e Cleaning period 6 months of operation or 300 hours of operation whichever the earlier e Cleaning points Carriage shaft and surroundings Remove paper and ribbon dust Paper path Clean stains and dusts Paper End Sensor Remove the dust on the Sensor Paper Width Sensor Remove the dust on the Sensor Ribbon Jam Sensor Remove the dust on the Sensor Paper Out Sensor Remove the dust on the Sensor Paper Jam Sensor Remove the dust on the Sensor 2 Lubricant e Pan motor oil or equivalent PM e Albania grease or equivalent GEP 3 Amount of lubricant e Medium amount A Apply three to four drops of oil or 0 008 inch 0 2 mm thick grease e Small amount B Apply one drop of oil 0 006 0 002 g 4 Areas to Avoid No Do not lubricate Reason 1 Ink ribbon To prevent blurring of print 2 Sensor To prevent dust a
144. verse printin to the reference position b 4 switch 4 After completing the cc store the corrected values Note4 Note4 If the 6 switch is r values cannot be stored a the previous set values Press 5 while holding 8 the registration Item Items Graphics No 1 Protector Gap Adjustment 1 Range Adjustment OE Saah Lower Cover 2 Protector Gap Protector Frame Ribbon Guide Post 2 AG Plate Gap AG Frame Auto Gap Correction ON LINE 10 11 12 ma J aas LF Motor Belt Tension Drive Pulley A LF Gear Mounting Screws LF Motor Gear Auto Gap Motor Assy Mounting Screws Change Motor Adusting Cam Bail Gear Assy Backlash Mounting Screws Bail Gear Assy Mounting Screws Idle Gear A idle Gear C Installing printhead Mounting screw Print head Carriage frame Left screw o ran Fen Bon Install the print head so that the center of the print head meet that i Protector frame Print head 10 Alignment of horizontal printing gt Number Carrecion dot postion of reverse printing 2 Printing position is shifted by 0 10mm to righi of the reference position Relerencepostion 1 Pining poston is ied Oro a elorncepeton_ 2 Ping poston is hie 00mm eae lereno poston 3 ning potion sited by 0 ere oe relernce poston 5 Pinna po
145. wering Printer Unit require 2 or more maintenance personnel ie S Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 35 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 3 Control Block Control Board PMA Printed Board Driver Board PDA Printed Board 1 Remove Cover Rear B See 3 3 1 2 Unscrew 2 screws 1 and unplug all the connecting cords to Control Block 2 3 Remove Control Block 2 sliding it into the arrow direction Control Board PMA Printed Board and Driver Board PDA Printed Board Unscrew 2 screws 3 then pull Driver Board PDA Printed Board 4 upward and release it from the connecting position to Control Board PMA Printed Board 5 4 For installation reverse the removal procedure Note on Installation 1 Prevent the connecting cords form being caught under Control Black 2 2 Make sure Control Block 2 is fixed with 2 hooks on Lower Cover 6 when mounting the Unit Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 36 OK Service Guide for PM4410 Chapter 3 Disassembly 3 3 4 Power Supply Unit 1 Remove Guide Paper B Cover Blank Lower and Rear Cover B See 3 3 1 2 Unplug connect

Pacemark 4410

Contents

Download Pdf Manuals

Related Search

Related Contents