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Troubleshooting Guide
• Remove the NVRAM from the original engine control board and install it on the new one when you
replace the engine control board.
Blank Print
Symptom
Possible cause
Necessary actions
No image is printed.
Defective laser unit
Replace the laser unit.
Defective PCDU
Replace the PCDU.
Defective image transfer belt
unit
Replace the image transfer belt
unit.
Incorrect action of paper
transfer roller
Check the guide and the paper
transfer roller.
Defective HVPS
Replace HVPS.
Defective BCU
Replace the BCU.
All-black Print
Symptom
Possible cause
Necessary actions
All the paper is black.
Incorrectly installed PCDU
Install the PCDU correctly.
Defective PCDU
Replace the PCDU.
Defective HVPS
Replace HVPS.
Defective laser unit
Replace the laser unit.
Defective BCU
Replace the BCU.
Defective main board
Replace the main board.
Troubleshooting Guide
617
Содержание SP C440dn
Страница 1: ...Model Z P2 Machine Codes M257 Field Service Manual April 2015...
Страница 2: ......
Страница 30: ...1 Product Information 28...
Страница 73: ...9 Install the securing holder E 10 Reassemble the machine Tray Heater 71...
Страница 85: ...3 Preventive Maintenance Maintenance Tables See Appendices for the following information Maintenance Tables 83...
Страница 86: ...3 Preventive Maintenance 84...
Страница 92: ...5 Left cover B Right Cover 1 Open the duplex unit A 4 Replacement and Adjustment 90...
Страница 94: ...Top Cover 1 Right cover page 90 2 Rear cover page 91 3 Open the upper cover A 4 Replacement and Adjustment 92...
Страница 100: ...4 Disconnect the six harnesses A x 1 5 Release the inner right front cover A x 2 4 Replacement and Adjustment 98...
Страница 111: ...5 Turn the ITB lock lever clockwise to lock it 6 Use both hands to close the drum securing plate A Image Creation 109...
Страница 117: ...17 Release the upper cover sensor A hooks 18 Release the toner plate A x 7 19 Remove each clip A Image Creation 115...
Страница 128: ...5 Open the upper cover A 4 Replacement and Adjustment 126...
Страница 130: ...2 ITB unit cover A and the handles B 8 hooks 3 Three stays A x 2 each 4 Replacement and Adjustment 128...
Страница 131: ...4 The left stay A x 4 5 Rear holder bracket A x 2 Image Transfer 129...
Страница 132: ...6 ITB cleaning unit A 7 Pull the tension roller A as shown below 8 Remove a screw 4 Replacement and Adjustment 130...
Страница 139: ...3 Remove the two screws 4 ID sensor board bracket A x 1 Image Transfer 137...
Страница 141: ...4 Exit the SP mode Image Transfer 139...
Страница 143: ...PTR Contact Motor 1 Toner collection motor page 118 2 Interlock switch bracket A x 2 x 4 Paper Transfer 141...
Страница 146: ...2 Temperature Humidity sensor A x 1 x 1 4 Replacement and Adjustment 144...
Страница 155: ...3 Drum motor CMY A x 3 x 1 Development Motor CMY 1 Right cover page 90 2 Bracket A x 1 Drive Unit 153...
Страница 159: ...4 Release the upper harness guide A and the lower harness guide B x 4 x all x all Drive Unit 157...
Страница 176: ...12 Right stay A x 3 13 Release the fusing lamp harnesses A x 2 14 Lamp holder A x 1 4 Replacement and Adjustment 174...
Страница 177: ...15 Heating roller fusing lamp A Fusing Belt 1 Heating roller fusing lamp page 170 2 C rings and bearings A Fusing 175...
Страница 184: ...2 Thermopile base A x 2 x 1 3 Thermopile cover A hooks 4 Thermopile B 4 Replacement and Adjustment 182...
Страница 187: ...3 Bracket A x 1 4 Release the paper feed unit A x 1 Paper Feed 185...
Страница 189: ...3 Bracket A x 2 4 Registration sensor A x 1 hooks Vertical Transport Sensor 1 Paper feed unit page 184 Paper Feed 187...
Страница 195: ...2 Release the harness A x 1 3 Paper feed sensor bracket A x1 4 Paper feed sensor A x1 hooks Paper Feed 193...
Страница 198: ...5 Sensor holder A x 3 x 1 6 Disconnect the connector A 7 Tray 1 set sensor A hooks 4 Replacement and Adjustment 196...
Страница 201: ...5 Inner left upper cover page 94 6 Paper exit unit holder A x 1 Paper Exit 199...
Страница 203: ...3 Remove the bushing C x 1 4 Remove the shaft A and then remove the paper exit upper guide B Paper Exit 201...
Страница 211: ...6 Release the left arm A x 1 Duplex Unit 209...
Страница 215: ...3 Duplex lower guide plate A 4 Duplex upper guide plate A x 7 Duplex Unit 213...
Страница 219: ...5 Fusing fans page 164 6 Operation panel page 93 7 Duplex By pass motor cover A x 1 Duplex Unit 217...
Страница 220: ...8 Right and left arms A x 2 each 4 Replacement and Adjustment 218...
Страница 221: ...9 Duplex By pass motor bracket with the frame A x 6 10 Guide plate A x 4 Duplex Unit 219...
Страница 224: ...3 Guide plate A x 4 4 Slide the roller holder A in the direction of the blue arrow x 2 4 Replacement and Adjustment 222...
Страница 225: ...5 By pass feed roller A 6 Slide the roller holder A in the direction of the blue arrow Duplex Unit 223...
Страница 229: ...Electrical Components Boards Rear Cover Open A Bridge Board B Controller Board C PSU Electrical Components 227...
Страница 230: ...Controller Box Removal E HVPS CB Board Right Cover Open F BCU 4 Replacement and Adjustment 228...
Страница 239: ...6 Remove the screw and disconnect the connector 7 Remove the seven screws Electrical Components 237...
Страница 245: ...5 Disconnect the connector 6 Disconnect the six connectors x 1 Electrical Components 243...
Страница 254: ...4 Replacement and Adjustment 252...
Страница 421: ...Engine SP Mode Tables SP4000 There are no Group 4 SP modes for this machine Engine SP Mode Tables SP4000 419...
Страница 473: ...5 992 025 SDK J Application Info CTL Execute 5 992 026 Printer SP mode CTL Execute Engine SP Mode Tables SP5000 471...
Страница 474: ...Engine SP Mode Tables SP6000 There are no Group 6 SP modes for this machine 5 System Maintenance Reference 472...
Страница 564: ...5 System Maintenance Reference 562...
Страница 637: ...Model Z P2 Machine Codes M257 Appendices February 2015...
Страница 638: ......
Страница 640: ...2...
Страница 648: ...1 Appendix Specifications 10...
Страница 652: ...MEMO 14...
Страница 653: ...MEMO 15...
Страница 654: ...MEMO 16 EN...