CD703 (bizhub C4050i/C3350i)
Contents
| Trouble type | CD703: FW download communication fault |
| Rank | C |
| Trouble detection condition | CD703: 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 | • CPU board (CPUB) • Base board (BASEB) |
Procedure
- Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power switch.
- Check CPUB for proper installation and correct as necessary.
- Rewrite the firmware.
- Replace CPUB.CPUB (Part# A93EH01004)
- Replace BASEB.BASEB (Part# A93EH02007)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
L.3.17.27. (Link to the Field Service Manual)