Ricoh M160 - Page 273

Service Call
SM 6-29 M160/M161
Troubleshooting
SC No. Level Error Name/Error Condition/Major Cause/Solution
 Turn the main power OFF and then ON.
 Replace the BICU
.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC669-36 D
EEPROM communication error
The EEPROM data has been transferred to the SRAM twice in
succession, but the two sets of transferred data do not match.
669 - 36 EEPROM SRAM OPEN: Verified error
 Electromagnetic noise
 EEPROM error
 Turn the main power OFF and then ON.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC670-00 D Engine start up error
 Case 1
 /ENGRDY signal was not asserted when the machine
was turned on or returned from energy saver mode.
 /IPURDY signal was not asserted when the machine
was turned on or returned from energy saver mode.
 The EC response from the engine was not received
within the specified time after turning on the power.
 The PC response from the engine was not received
within the specified time after turning on the power.
 The SC response from the engine was not received
within the specified time after turning on the power
(MFP models only).
 Writing to Rapi driver failed (the other party not found
through PCI).
 Case 2
 Unexpected down status was detected after /ENGRDY
assertion.