Service Checks
• Service checks which involve measuring voltages on the LVPS/HVPS (low voltage power supply/
high voltage power supply board) should be performed with the machine positioned on its back
side.
• When making voltage readings, always use frame ground unless another ground is specified. See
the wiring diagram for more information.
• The controller board is located beneath the flatbed. To access the controller board, see “ADF Unit
Removal” in “Replacement and Adjustment”.
Controller Board Service Check
Controller board service check
FRU
Action
Controller board assembly
POST (Power-On Self Test)
• The machine should complete POST in approximately 45
seconds.
• If the machine fails to display lights or activate the drive motor,
fuser, or fan, then check the following order:
1. Power to the LVPS/HVPS.
2. Power from the LVPS/HVPS to the engine board ( p.236
3. Power from the engine board to the controller board.
4. Cables are plugged in correctly, especially for the operator
panel. The machine will not power-up without a functioning
operator panel.
5. The operator panel ( p.245 "Operator Panel Service
6. Troubleshooting
234
6
Содержание LI-MF1 M126
Страница 1: ...Model LI MF1 Machine Codes M126 M127 M128 Field Service Manual 26 August 2011 ...
Страница 2: ......
Страница 3: ...Safety Notices The following laser notice labels may be attached to this machine 1 ...
Страница 4: ...2 ...
Страница 5: ...3 ...
Страница 6: ...4 ...
Страница 7: ...5 ...
Страница 8: ...6 ...
Страница 9: ...7 ...
Страница 10: ...8 ...
Страница 17: ...XPS XML Paper Specification 15 ...
Страница 29: ...M Auto compensator Overview 27 1 ...
Страница 30: ...Main Boards Controller Board 1 Product Information 28 1 ...
Страница 37: ...2 Installation Installation Refer to the User s Guide 35 2 ...
Страница 38: ...2 Installation 36 2 ...
Страница 51: ...2 Remove the three screws B securing the top of the controller shield Removal Procedures 49 4 ...
Страница 58: ...4 Remove the e clip A from the gear 5 Remove the gear B and gear shaft C 4 Replacement and Adjustment 56 4 ...
Страница 59: ...6 Remove the screw D from the gear E 7 Remove the plastic bushing F Removal Procedures 57 4 ...
Страница 118: ...13 Remove the three screws A from the left rear frame assembly 4 Replacement and Adjustment 116 4 ...
Страница 119: ...14 Remove the three screws B from the right rear frame assembly Imaging Component Removals 117 4 ...
Страница 142: ...4 Replacement and Adjustment 140 4 ...
Страница 192: ...5 System Maintenance 190 5 ...
Страница 198: ...Symptom Action Fax reception fails p 276 Fax Reception Service Check 6 Troubleshooting 196 6 ...
Страница 286: ...4 Remove the jam 5 If the paper is still not visible open the rear door 6 Troubleshooting 284 6 ...
Страница 289: ...3 Remove the jam 4 Close the rear door 5 Close the front door 6 Touch Continue Paper Jams 287 6 ...
Страница 295: ...2 Open the ADF cover 3 Unlock the ADF separator roll 4 Remove the ADF separator roll Paper Jams 293 6 ...
Страница 298: ...6 Troubleshooting 296 6 ...
Страница 302: ...7 Energy Saving 300 7 ...
Страница 303: ...Model LI MF1 Machine Codes M126 M127 M128 Appendices 12 October 2011 ...
Страница 304: ......
Страница 306: ...2 ...
Страница 322: ...1 Appendix Specifications 18 1 ...
Страница 324: ...MEMO 20 EN ...