FRU
Action
24 V dc input from the LVPS/HVPS.
1. Turn the machine off.
2. Disconnect the LVPS/HVPS cable from the engine board at
J502.
3. Turn the machine on.
4. 24Vdc on positions 6, 17, and 19 of the cable
connector (LVPS/HVPS).
5. If voltage is correct, then check the continuity in the other
conductors of the cable. If the cable is good, then turn the
machine off, and check the connectors to the controller board.
6. Verify that pins 10, 12, 14, 16, and 18 on both the cable and
the card connector are grounded.
7. If grounds are not correct on the cable, but the cable passes
continuity otherwise, then check the LVPS/HVPS.
8. If the grounds are not correct on the engine board, then
replace the engine board. (Check with one probe on the
connector pin and the other on the card’s ground plane found
at each screw head.)
Engine board assembly
Engine board voltage outputs
Turn the machine off, and plug the LVPS/HVPS cable into J502 of
the engine board. See the wiring diagram which identifies the
output voltages and grounds for a good engine board.
Turn the machine off before plugging or unplugging any
connectors.
Service Checks
237
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 ...