C762A (bizhub 950i/850i)
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Contents
Trouble type | C762A: Power line B10 error |
Rank | C |
Trouble detection condition | The fuse detection unit detected an error for a predetermined time. |
Trouble isolation | – |
Relevant electrical parts | – Tray 1 paper feed clutch (CL1) – Tray 2 paper feed clutch (CL2) – Tray 3 paper feed clutch (CL5) – Tray 3 transport clutch (CL6) – Horizontal transport clutch (CL3) – Tray 4 paper feed clutch (CL7) – Tray 3 lift-up motor (M23) – Tray 4 lift-up motor (M24) – Paper feed/transport drive board (PFTDB) |
Procedure
- PFTDB F23 conduction check.
- Check the connector between CL1-relay CN151-relay CN145B-PFTDB CN14 for proper connection and correct as necessary.
- Check the connector between CL2-relay CN156-relay CN155A-PFTDB CN12 for proper connection and correct as necessary.
- Check the connector between CL5-relay CN985-relay CN118-relay CN113A-PFTDB CN16 for proper connection and correct as necessary.
- Check the connector between CL6-relay CN119-relay CN193-relay CN113B-PFTDB CN17 for proper connection and correct as necessary.
- Check the connector between CL3-relay CN131-relay CN143-PFTDB CN15 for proper connection and correct as necessary.
- Check the connector between CL7-relay CN986-relay CN123-relay CN121A-PFTDB CN18 for proper connection and correct as necessary.
- Check the connector between M23-PFTDB CN15 for proper connection and correct as necessary.
- Check the connector between M24-PFTDB CN15 for proper connection and correct as necessary.
- CL1 load check
- Check code: 20
- Multi code: 1
- Control signal: PFTDB CN14-14, 15
- Location of electrical component: 13-P
- Replace CL1.
- CL2 load check
- Check code: 20
- Multi code: 2
- Control signal: PFTDB CN12-1, 2
- Location of electrical component: 1-P
- Replace CL2.
- CL5 load check
- Check code: 20
- Multi code: 3
- Control signal: PFTDB CN16-5, 6
- Location of electrical component: 5-X
- Replace CL5.
- CL6 load check
- Check code: 21
- Multi code: 1
- Control signal: PFTDB CN17-10, 11
- Location of electrical component: 6-X
- Replace CL6.
- CL3 load check
- Check code: 21
- Multi code: 2
- Control signal: PFTDB CN15-5, 6
- Location of electrical component: 9-X
- Replace CL3.
- CL7 load check
- Check code: 20
- Multi code: 4
- Control signal: PFTDB CN18-2, 3
- Location of electrical component: 7-X
- Replace CL7.
- M23 load check
- Check code: 23
- Multi code: 6
- Control signal: PFTDB CN15-3, 4
- Location of electrical component: 9-X
- Replace M23.
- M24 load check
- Check code: 23
- Multi code: 7
- Control signal: PFTDB CN15-1, 2
- Location of electrical component: 9-X
- Replace M24.
- Replace PFTDB.