Ricoh PRO C7210 - Page 22

1.SC Codes
18
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
 SBU-IPU/BCU harness connector
 SBU-LED harness connector
2. Clean or replace the white plate on the exposure glass.
3. Clean the 1st scanner carriage (1stmirror)/2nd scanner carriage (2nd and 3rd
mirror)
4. Replace the LED board on both sides.
5. Replace the lens brock.
6. Replace the IPU board.
7. Replace the BCU board.
8. Replace the following harnesses:
 SBU-IPU/BCU harness
 SBU-LED harness
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC144-
00
D
Scanner Communication Error (Front)
 Connection to SBU cannot be confirmed. (Connection detection error)
This error is detected if the releasing of the SBU reset did not confirmed after
a specified time had passed.
 Cannot communicate with the SBU, or the communication result is abnormal.
This error is detected if the normal status was not responded in a specified
number of communication.
 SBU defective
 BCU defective
 Power/signal harness defective
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1. Reconnect the following connectors:
 SBU-IPU/BCU harness connector
2. Replace the lens brock.
3. Replace the IPU board.
4. Replace the BCU board.
5. Replace the following harnesses:
 Scanner carriage -IPU harness
 SBU- IPU harness
SC No.
Level
Error Name/Error Condition/Major Cause/Solution
SC151-
D
Black level detection error (Back)