Oki MB770 Page 83 Maintenance Manual Download

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45372301TH Rev.2

6-6 /

Oki Data CONFIDENTIAL

[EAF4] Paper support HP abnormality

[EAF5] Lever path HP abnormality

Classification

Error content

Finisher related service call

Paper support HP abnormality

Check item

Measures

Paper support home position sensor

• Sensor check (S6)

• Connector check (P7-13)

• Harness check

Paper support motor

• Motor check (M6)

• Connector check (P6-1)

• Harness check

Finisher control PC board

• Board check

• Connector check (J6, J7)

• Harness check

Parts to be replaced

Remark

Paper support home position sensor

Paper support motor

Finisher control PC board

Classification

Error content

Finisher related service call

Lever path HP abnormality

Check item

Measures

Lever path home position sensor

• Sensor check (S15)

• Connector check (P7-4)

• Harness check

Lever path motor

• Motor check (M10)

• Connector check (P18-1)

• Harness check

Finisher control PC board

• Board check

• Connector check (J7, J18)

• Harness check

Parts to be replaced

Remark

Lever path home position sensor

Lever path motor

Finisher control PC board

Summary of Contents for MB770

Page 1: ...MB770 MB770 MPS5502 MPS5502 MC770 MB770 MC780 MC780 MPS3537 MPS3537 MPS4242 MPS4242 Finisher Maintenance Manual MJ 1038 Rev 2...

Page 2: ...Corning Corporation Other company names and product names in this manual are the trademarks of their respective companies 2013 OKI DATA CORPORATION All rights reserved Under the copyright laws this m...

Page 3: ...rt sensor S1 4 6 4 2 4 Exit transport sensor S2 4 6 4 2 5 Alignment plate home position sensor R S4 4 7 4 2 6 Alignment plate home position sensor L S5 4 7 4 2 7 Ejector home position sensor S7 4 8 4...

Page 4: ...Misalignment 5 1 6 TROUBLESHOOTING 6 1 6 1 Troubleshooting 6 1 6 2 Alarm 6 14 6 3 Other 6 14 7 PREVENTIVE MAINTENANCE PM FIRMWARE UPDATE 7 1 7 1 PM Parts 7 1 7 2 Consumables and Duration 7 1 7 2 1 Fin...

Page 5: ...8 29 lb Power Supply DC24V 10 and DC5V 5 supplied from the main equipment Power Consumption DC24V 40W or less 5V 2 6W or less Stacking Type Facedown Stacking Height with Considered full when STACK TRA...

Page 6: ...ets that can be stapled Staple Loading exclusive cartridge Manual Stapling Function is not included 1 Transport direction Stapling Position Paper Size Single A4 B5 Executive Folio LG13 LG13 5 LG14 LT...

Page 7: ...6 2pc B BKT MOUNT LEFT 1pc b Screw M3x6 6pc C BKT MOUNT RIGHT 1pc c Screw M3x10 2pc D Paper Guide 1pc d Screw M3x8 1pc E Film 2 sheets e Screw M3x12 3pc F Film 1 sheet G Control Panel Fixing Plate 1pc...

Page 8: ...45372301TH Rev 2 1 4 Oki Data CONFIDENTIAL 1 3 Consumables Staple cartridge exclusive cartridge STAPLE 2000...

Page 9: ...372301TH Rev 2 2 1 Oki Data CONFIDENTIAL 2 GENERAL DESCRIPTION 2 1 Main Components Fig 2 1 1 Upper cover 5 Stapler 2 Right cover 6 Rear cover 3 Left cover 7 Connector cover 4 Stacker tray 5 4 7 1 2 3...

Page 10: ...er 10 Stapler paper sensor 3 Stacker tray 11 Right alignment motor 4 Lever path motor 12 Stack home position sensor 5 Lever path home position sensor 13 Paper support motor 6 Paddle home position sens...

Page 11: ...ce transport sensor 6 Exit transport motor 2 Exit transport sensor 7 Stacker tray lower limit switch 3 Door switch 8 Alignment plate home position sensor L 4 Ejector home position sensor 9 Paddle moto...

Page 12: ...45372301TH Rev 2 2 4 Oki Data CONFIDENTIAL 2 3 Electric Parts Layout A Sensors and switches Fig 2 4 S1 S6 SW1 S2 S7 S5 SW2 S14 S9 S3 S4 FIN S8 S15...

Page 13: ...45372301TH Rev 2 2 5 Oki Data CONFIDENTIAL B Motors and PC boards Fig 2 5 M2 M1 M5 M3 M9 M4 M6 M8 M10 M7...

Page 14: ...aper of the entrance transport roller S2 Exit transport sensor Detects the paper of the exit transport roller S3 Paddle home position sensor Detects the home position of the pad dle S4 Alignment plate...

Page 15: ...45372301TH Rev 2 2 7 Oki Data CONFIDENTIAL 3 PC board Symbol Name Function P I Remarks FIN Finisher control PC board Controls the Finisher...

Page 16: ...R DRIVER IC STEP MOTOR DRIVER IC DC MOTOR DRIVER IC DC MOTOR DRIVER IC DC MOTOR DRIVER STEP MTR M2 FEED OUT MTR POLYSW R56 POLYSW R57 POLYSW R71 POLYSW R66 POLYSW R82 POLYSW R67 POLYSW R76 POLYSW R77...

Page 17: ...cations The Finisher exits paper transported from the equipment Paper exit modes available are the simple stack straight through paper exit mode offset mode and staple stack mode The operations noted...

Page 18: ...g mode among the simple stack straight through paper exit mode offset mode and staple stack mode in accordance with commands from the equipment and then exits the finished paper onto a tray Fig 3 1 A...

Page 19: ...per transport pass gate switches to the finisher side and the paper is transported into the finisher When transportation of the paper into the finisher is complete the lever path motor M10 rotates bac...

Page 20: ...the paper transport belt which is driven by the entrance transport motor M1 and the entrance transport roller and transport roller rotate to transport it to the discharge section The entrance transpo...

Page 21: ...the entrance transport section is conveyed by the paper transport belt which is driven by the exit transport motor M2 and the exit roller rotates to transport it to the finishing tray sec tion The exi...

Page 22: ...to the home position after the paper is discharged to the stacker tray The paper transported to the discharge section is aligned lengthwise by the main paddle and sub pad dle which are driven by the...

Page 23: ...Fig 3 6 D 2 Stapler operation When the stapler is set the jogger moves the paper to the position it is stapled the stapler motor M9 drives the stapler to staple the paper The stapler empty sensor S13...

Page 24: ...ray the stacker tray is raised by the stacker motor M8 The SCU paddle tamps the trailing edge of the paper being discharged to the tray E 1 Paper full alarm The stacker tray lower limit detector switc...

Page 25: ...ith whether paper exists in the sensor section or not When a paper jam occurs the Finisher control PC board FIN sends the data of the jam to the equipment in a form of a self diagnostic code so that a...

Page 26: ...per too fast jam When paper is detected by the entrance transport sensor S1 faster than the delay time requested by the finisher G Malfunction jam When a malfunction of the ejector is detected by the...

Page 27: ...SASSEMBLY AND INSTALLATION 4 1 Disassembly and Replacement of Covers 4 1 1 Upper cover 4 1 2 Right cover 1 Open the rear cover 1 and remove 5 screws and remove the top cover 2 Fig 4 1 1 Remove 4 screw...

Page 28: ...45372301TH Rev 2 4 2 Oki Data CONFIDENTIAL 4 1 3 Left cover 1 Remove 4 screws and take off the left cover 1 Fig 4 3 1...

Page 29: ...the right cover P 4 1 4 1 2 Right cover 3 Remove 3 screws and take off the Finisher control PC board ASSY 1 Fig 4 4 4 Remove 5 screws and 1 connector 1 remove the Guide upper ASSY 3 Fig 4 5 1 Take of...

Page 30: ...the right cover P 4 1 4 1 2 Right cover 3 Remove 3 screws and take off the Finisher control PC board ASSY 1 Fig 4 4 4 Remove 5 screws and 1 connector 1 remove the Guide upper ASSY 3 Fig 4 5 1 Take of...

Page 31: ...45372301TH Rev 2 4 5 Oki Data CONFIDENTIAL 5 Remove 1 e ring 2 and remove gear 3 Fig 4 7 6 Remove 1 screw and take off the bracket R 4 and rear cover open 5 Fig 4 8 Fig 4 9 2 3 4 5...

Page 32: ...Rev 2 4 6 Oki Data CONFIDENTIAL 7 Remove 1 screw and take off the bracket L 6 Fig 4 10 8 Remove 2 screws and take off the Guide left 1 7 Fig 4 11 9 Remove 4 screws and take off the Guide left 2 8 Fig...

Page 33: ...t sensor S2 1 Take off the Guide rear ASSY P 4 3 4 2 2 Guide rear ASSY 2 Disconnect 1 connector 1 and then take off the entrance transport sensor 2 Fig 4 13 1 Take off the upper cover P 4 1 4 1 1 Uppe...

Page 34: ...t sensor S2 1 Take off the Guide rear ASSY P 4 3 4 2 2 Guide rear ASSY 2 Disconnect 1 connector 1 and then take off the entrance transport sensor 2 Fig 4 13 1 Take off the upper cover P 4 1 4 1 1 Uppe...

Page 35: ...er control PC board ASSY P 4 45 4 5 1 Finisher control PC board ASSY 2 Remove 1 e ring 1 and remove main pad dle flag 2 Fig 4 15 3 Disconnect 1 connector 3 and then take off the alignment plate home p...

Page 36: ...Disconnect 1 connector 3 and then take off the paddle home position sensor 4 Fig 4 18 1 Take off the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Remove 4 screws and 1 connector 1 remove the Guide...

Page 37: ...4 11 Oki Data CONFIDENTIAL 3 Remove the sensor actuator 4 Fig 4 21 Note Do not forget to install the spring 5 Fig 4 22 4 Disconnect 1 connector 6 and then take off the ejector home position sensor 7...

Page 38: ...or S8 1 Take off the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Remove 2 screws and 2 connectors 1 remove the Stapler 2 Fig 4 24 3 Remove 4 screws and 1 connector 3 remove the Guide compile ASSY...

Page 39: ...ki Data CONFIDENTIAL 4 Remove 3 screws and 1 connector 6 remove the Tray compile F ASSY 7 Fig 4 27 Note Do not forget to install the belt 8 Fig 4 28 5 Remove 2 screws and take off the Paper support F...

Page 40: ...2 4 14 Oki Data CONFIDENTIAL 6 Remove 3 screws and 2 connectors 10 remove the ejector motor ASSY 11 Fig 4 30 Fig 4 31 7 Disconnect 1 connector 12 and then take off the Ejector encoder sensor 13 Fig 4...

Page 41: ...P 4 3 4 2 1 Guide upper ASSY 2 Remove 2 screws and 2 connectors 1 remove the Stapler 2 Fig 4 33 3 Take off the left cover P 4 2 4 1 3 Left cover 4 Remove 4 screws and disconnect 1 connec tor 3 and th...

Page 42: ...ONFIDENTIAL 5 Remove 3 screws and 1 connector 6 remove the Tray compile F ASSY 7 Fig 4 36 Note Do not forget to install the belt 8 Fig 4 37 6 Disconnect 1 connector 9 and then take off the stapler pap...

Page 43: ...nsor S9 1 Take off the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Remove 2 screws and 2 connectors 1 remove the Stapler 2 Fig 4 39 3 Remove 4 screws and 1 connector 3 remove the Guide compile ASS...

Page 44: ...ta CONFIDENTIAL 4 Remove 3 screws and 1 connector 6 remove the Tray compile F ASSY 7 Fig 4 42 Note Be careful of the hooks 8 during installation Fig 4 43 5 Remove 2 screws and take off the Paper suppo...

Page 45: ...ect 1 connector 10 and then take off the stack home position sensor 11 Fig 4 45 1 Take off the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Remove 2 screws and 2 connectors 1 remove the Stapler 2 F...

Page 46: ...0 Oki Data CONFIDENTIAL Note Do not forget to install the belt 5 Fig 4 48 4 Remove 3 screws and 1 connector 6 remove the Tray compile F ASSY 7 Fig 4 49 Note Be careful of the hooks 8 during installati...

Page 47: ...CONFIDENTIAL 5 Remove 2 screws and take off the Paper support F ASSY 9 Fig 4 51 6 Remove 3 screws and 2 connectors 10 remove the ejector motor ASSY 11 Fig 4 52 Remark Be sure to attach the 2 connector...

Page 48: ...e position sensor 13 Fig 4 54 1 Take off the Upper cover P 4 1 4 1 1 Upper cover 2 Disconnect 1 connector 1 and then take off the door switch 2 Fig 4 55 1 Take off the Upper cover P 4 1 4 1 1 Upper co...

Page 49: ...path home position sensor S15 1 Take off the Guide rear ASSY P 4 3 4 2 2 Guide rear ASSY 2 Remove 1 screw and 1 connector 1 remove the Lever path bracket 2 Fig 4 57 3 Remove the lever path home posit...

Page 50: ...ver 2 Take off the left cover P 4 2 4 1 3 Left cover 3 Remove 2 screws and 1 connector 1 remove the Entrance transport motor 2 Fig 4 59 Note Do not forget to install the rubber vibration suppressor 3...

Page 51: ...the Guide upper ASSY 3 Fig 4 62 5 Take off the left cover P 4 2 4 1 3 Left cover 6 Loosen 1 screw remove 1 screw and 1 con nector 4 remove the exit transport motor 5 Fig 4 63 1 Take off the Guide uppe...

Page 52: ...the left cover P 4 2 4 1 3 Left cover 4 Remove 4 screws and 1 connector 3 remove the Guide compile ASSY 4 Fig 4 65 Note Do not forget to install the belt 5 Fig 4 66 5 Remove 3 screws and 1 connector...

Page 53: ...the left cover P 4 2 4 1 3 Left cover 4 Remove 4 screws and 1 connector 3 remove the Guide compile ASSY 4 Fig 4 65 Note Do not forget to install the belt 5 Fig 4 66 5 Remove 3 screws and 1 connector...

Page 54: ...te Be careful of the hooks 8 during installation Fig 4 68 6 Remove 2 screws and 1 connector 9 remove the alignment motor R 10 Fig 4 69 1 Take off the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Re...

Page 55: ...1 3 Left cover 4 Remove 4 screws and disconnect 1 connec tor 3 and then take off the Guide compile ASSY 4 Fig 4 71 Note Do not forget to install the belt 5 Fig 4 72 5 Remove 3 screws and disconnect 2...

Page 56: ...ks 8 during installation Fig 4 74 6 Remove 2 screws and 1 connector 9 remove the alignment motor L 10 Fig 4 75 1 Take off the upper cover P 4 1 4 1 1 Upper cover 2 Take off the left cover P 4 2 4 1 3...

Page 57: ...not forget to install the rubber vibration suppressor 3 Fig 4 77 1 Take off the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Remove 2 screws and 2 connectors 1 remove the Stapler 2 Fig 4 78 3 Remov...

Page 58: ...2 Oki Data CONFIDENTIAL Note Do not forget to install the belt 5 Fig 4 80 4 Remove 3 screws and 1 connector 6 remove the Tray compile F ASSY 7 Fig 4 81 Note Be careful of the hooks 8 during installati...

Page 59: ...Data CONFIDENTIAL 5 Remove 2 screws and take off the Paper support F ASSY 9 Fig 4 83 6 Remove 1 e ring 10 and remove gear 11 Fig 4 84 7 Remove 3 screws and 1 connector 12 remove the Stacker motor ASSY...

Page 60: ...s and 1 connector 14 remove the Paper support motor 15 Fig 4 86 1 Take off the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Remove 2 screws and 2 connectors 1 remove the Stapler 2 Fig 4 87 3 Remove...

Page 61: ...5 Oki Data CONFIDENTIAL Note Do not forget to install the belt 5 Fig 4 89 4 Remove 3 screws and 1 connector 6 remove the Tray compile F ASSY 7 Fig 4 90 Note Be careful of the hooks 8 during installati...

Page 62: ...2301TH Rev 2 4 36 Oki Data CONFIDENTIAL 5 Remove 2 screws and take off the Paper support F ASSY 9 Fig 4 92 6 Remove 3 screws and 2 connectors 10 remove the Ejector motor ASSY 11 Fig 4 93 Fig 4 94 9 11...

Page 63: ...2 screws and take off the ejector motor 12 Fig 4 95 1 Take off the Finisher control PC board ASSY P 4 45 4 5 1 Finisher control PC board ASSY 2 Remove 1 e ring 1 and remove gear 2 Fig 4 96 3 Remove 3...

Page 64: ...4 Remove 2 screws and take off the stacker motor 5 Fig 4 98 1 Take off the upper cover P 4 1 4 1 1 Upper cover 2 Take off the right cover P 4 1 4 1 2 Right cover 3 Remove 1 screw and 1 connector 1 re...

Page 65: ...45372301TH Rev 2 4 39 Oki Data CONFIDENTIAL 4 Remove 2 screws and 1 connector 4 remove the Lever path motor 5 Fig 4 101 4 5...

Page 66: ...embly and Replacement of transport system 4 4 1 Entrance transport roller 1 Take off the Guide rear ASSY P 4 3 4 2 2 Guide rear ASSY 2 Disconnect 1 connector 1 Fig 4 102 3 Remove 2 E ring 2 and take o...

Page 67: ...Exit Transport roller 1 Take off the Guide rear ASSY P 4 3 4 2 2 Guide rear ASSY 2 Disconnect 1 connector 1 Fig 4 105 3 Remove 2 E ring 2 and take off the gear 3 Fig 4 106 4 Remove 2 E ring 4 and take...

Page 68: ...r cover P 4 1 4 1 1 Upper cover 2 Take off the right cover P 4 1 4 1 2 Right cover 3 Take off the left cover P 4 2 4 1 3 Left cover 4 Remove 5 screws and 2 connectors 1 remove the Guide upper ASSY 2 F...

Page 69: ...45372301TH Rev 2 4 43 Oki Data CONFIDENTIAL Note Do not forget to install the belt 5 Fig 4 111 6 Remove 2 E ring 6 and take off the exit roller 7 Fig 4 112 Fig 4 113 5 6 6 7...

Page 70: ...Take off the right cover P 4 1 4 1 2 Right cover 3 Take off the left cover P 4 2 4 1 3 Left cover 4 Remove 5 screws and 2 connectors 1 remove the Guide upper ASSY 2 Fig 4 114 5 Remove 4 screws and 1 c...

Page 71: ...take off the 2 sub paddle 7 Fig 4 117 Fig 4 118 1 Take off the upper cover P 4 1 4 1 1 Upper cover 2 Take off the right cover P 4 1 4 1 2 Right cover 3 Take off the left cover P 4 2 4 1 3 Left cover...

Page 72: ...45372301TH Rev 2 4 46 Oki Data CONFIDENTIAL 4 4 6 SCU paddle 5 Remove the main paddle 3 with its holder Fig 4 120 Fig 4 121 1 Remove the SCU paddle 1 with its holder Fig 4 122 3 1...

Page 73: ...45372301TH Rev 2 4 47 Oki Data CONFIDENTIAL Fig 4 123...

Page 74: ...ff the upper cover P 4 1 4 1 1 Upper cover 2 Take off the right cover P 4 1 4 1 2 Right cover 3 Remove 3 screws and 13 connectors 1 remove the Finisher control PC board ASSY 2 Fig 4 124 1 Take off the...

Page 75: ...r 1 Take off the upper cover P 4 1 4 1 1 Upper cover 2 Take off the right cover P 4 1 4 1 2 Right cover 3 Remove 3 screws and take off the Finisher control PC board ASSY 1 Fig 4 126 4 Remove 2 screws...

Page 76: ...justment following the procedure below 1 Remove the Guide upper ASSY P 4 3 4 2 1 Guide upper ASSY 2 Shift both the side fences Tamper Right 1 and Tamper Left 2 from the side plate to the inside by 20...

Page 77: ...contacts two points of the side fence Tamper Right indicated by the arrows and then fix it with 1 screw Fig 5 3 5 While pushing the paper against the end fence check that it contacts two points of the...

Page 78: ...ed Remark Entrance transport sensor Finisher control PC board Classification Error content Paper jam in finisher section A sheet of paper is fed and then the next sheet of paper is fed at an inter val...

Page 79: ...Connector check J7 J8 J7 input J8 output Harness check Parts to be replaced Remark Entrance transport sensor Exit transport sensor Finisher control PC board Classification Error content Paper jam in f...

Page 80: ...ess check Parts to be replaced Remark Exit transport sensor Finisher control PC board Classification Error content Paper jam in finisher section Paper was detected at either the entrance transport sen...

Page 81: ...switch Switch check SW2 Connector check P2 12 P2 13 Harness check Finisher control PC board Board check Connector check J2 Harness check Parts to be replaced Remark Door switch Finisher control PC boa...

Page 82: ...Parts to be replaced Remark Stapler Stapler motor Finisher control PC board Classification Error content Finisher related service call Ejector abnormality Check item Measures Ejector home position se...

Page 83: ...rd Board check Connector check J6 J7 Harness check Parts to be replaced Remark Paper support home position sensor Paper support motor Finisher control PC board Classification Error content Finisher re...

Page 84: ...check Connector check J6 J8 Harness check Parts to be replaced Remark Alignment plate home position sen sor R Alignment motor R Finisher control PC board Classification Error content Finisher related...

Page 85: ...isher control PC board Board check Connector check J7 J14 Harness check Parts to be replaced Remark Stack home position sensor Stacker motor Finisher control PC board Classification Error content Fini...

Page 86: ...tor check P14 3 Harness check Finisher control PC board Board check Connector check J7 J14 Harness check Parts to be replaced Remark Stack home position sensor Stacker motor Finisher control PC board...

Page 87: ...motor HP abnormality Check item Measures Stapler Connector check P9 1 Harness check Stapler motor Motor check M9 Connector check P9 1 Harness check Finisher control PC board Board check Connector che...

Page 88: ...ll Alignment HP R abnormality Check item Measures Alignment plate home position sen sor R Sensor check S4 Connector check P8 3 Harness check Alignment motor R Motor check M4 Connector check P6 12 Harn...

Page 89: ...or Motor check M7 Connector check P6 3 Harness check Finisher control PC board Board check Connector check J7 J13 Harness check Parts to be replaced Remark Ejector home position sensor Ejector encoder...

Page 90: ...heck M10 Connector check P18 1 Harness check Finisher control PC board Board check Connector check J7 J18 Harness check Parts to be replaced Remark Lever path home position sensor Lever path motor Fin...

Page 91: ...y The staple empty sensor detects that the staple cartridge has run out of sta ples while the staple unit is not operating When the staple unit is not operating Normal operation will continue how ever...

Page 92: ...section 7 3 Maintenance by Customers 7 4 Maintenance and Inspection Points Fig 7 1 No Name Qty Expected life Remarks 1 Stapler 1 300 000 operations A single cartridge is good for about 5 000 operatio...

Page 93: ...ata CONFIDENTIAL 7 5 Grease 7 6 Firmware Update For updating firmware refer to FIRMWARE UPDATING in the Service Manual for MFP No Name Intended use Components Remarks 1 White grease Lubrication of sli...

Page 94: ...6 6 7 1 5 2 3 3 1 4 P5 3 STEPPER MTR R JOG MTR 15 1 13 2 11 3 9 4 P5 4 STEPPER MTR PADDLE MTR A A B B A A B B A A B B A A B B 077M 02067 EXT TRAY HOME SNR 073M 01232 STK DN 24V OUT STK DN 24V IN P13 1...

Page 95: ...lower limit switch S1 Entrance transport sensor M1 Entrance transport motor S5 Alignment plate home position sensor L M2 Exit transport motor S6 Paper support home position sensor M3 Paddle motor S7 E...

Page 96: ...11 2 9 3 7 J11 P11 STAPLE PAPER DETECT SNR P11 11 1 1 2 2 3 3 VCC IN GND J6 P6 P6 1 EXT TRAY MTR F JOG MTR 1 J6 3 2 DC MTR EJECT MTR P6 12 P6 3 1 1 YDH200 12 173977 3 173977 3 173977 3 173977 3 51004...

Page 97: ...45372301TH Rev 2 8 4 Oki Data CONFIDENTIAL 1 Writing tool for boot mode 3 Communication port for debugging 2 MFP Interface SW2 Door switch...

Page 98: ...50V R129 1K 1 10W R129 1K 1 10W R74 10K 1 10W R74 10K 1 10W U6 A4984SLPTR T U6 A4984SLPTR T SENSE1 17 DIR 14 OUT1A 18 ROSC 8 GND1 13 REF 12 VDD 10 OUT2A 19 MS2 6 MS1 5 SENSE2 20 VBB2 21 RESET 7 OUT2B...

Page 99: ...1010 1 2 3 4 5 6 7 8 9 10 R189 180 1 4W R189 180 1 4W C163 0 1u 50V C163 0 1u 50V J19 292161 2 J19 292161 2 1 2 R94 27K 1 10W R94 27K 1 10W R116 27K 1 10W R116 27K 1 10W R108 27K 1 10W R108 27K 1 10W...

Page 100: ...or R M2 Exit transport motor S5 Alignment plate home position sensor L M3 Paddle motor S6 Paper support home position sensor M4 Alignment motor R S7 Ejector home position sensor M5 Alignment motor L S...

Page 101: ...45372301TH Rev 2 8 8 Oki Data CONFIDENTIAL 8 3 PC Boards A Finisher control PC board Fig 8 6...

Page 102: ...13 Stapler paper sensor IN P7 5 14 Stapler paper sensor GND P7 3 15 Stapler paper sensor VCC R P7 1 16 Paper support home position sensor IN P7 14 17 Paper support home position sensor GND P7 16 18 Pa...

Page 103: ...or Phase B output B P18 4 54 Paper support motor Phase A output A P6 1 OUT 55 Paper support motor Phase A output A P6 2 56 Paper support motor Phase B output B P6 3 57 Paper support motor Phase B outp...

Page 104: ...80 DC24V 24V P1 2 81 GND POWER_GD P1 3 82 GND POWER_GD P1 4 83 DC5V 5V P1 5 84 Finisher connection Connect Chk1 P1 6 OUT 85 Send Data Send Data P1 7 IN 86 Signal GND Signal_GD P1 8 87 Receive_Data Rec...

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Oki MB770, Maintenance Manual

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