CD703 (bizhub C287/C227)
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Contents
| Trouble type | CD703: FW download communication fault |
| Rank | C |
| Trouble detection condition | Irregular data is received during FW downloading. -Places are changed in the order of write completion pulses. -A write completion pulse is received for a memory for which binary writing is not permitted. -Final checksum mismatch in FW download -Two-minute timeout (no response from CTL, the number of transfer data items less than the specified) |
| Trouble isolation | – |
| Relevant electrical parts | MFP board (MFPB) |
Procedure
- Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch.
- Rewrite the firmware.
- Replace MFPB. (Part# A797H02118)
K.3.18.29 (Link to the Field Service Manual)