Ricoh MP C4503 Technical Bulletin page 159

Reissued: 23-Mar-16
Model:
MET-C1abcdeyzk
Check whether you can access SP mode.
Note: If you cannot, enable access to SP mode from inside UP/SP mode.
No
Normal lighting ON and
OFF repeats at regular
intervals
1. Replace the EEPROM
on the BCU.
2. Replace the BCU.
3. Replace the CTL.
4. Replace the PSU.
(*1) Example of an SP value that is clearly abnormal/corrupted:
Correct:
No
SPXXXX-YYY
Incorrect:
No
SPXXXX-YYY
echnical
T
SC670-01/02 OCCURS
Have any of the SP values been
changed from their factory settings?
Are any of these values clearly
abnormal (corrupted)? (*1)
Check the LED lighting on the BCU
LED light twice, the turns
OFF for 4 sec
1. Check the FFC that
connects of the BCU and
IPU.
2. Replace the FFC that
connects of the BCU and
IPU.
3. Replace the IPU.
4. Replace the BCU.
Name
Motor Speed Vertical Feed Plain Std
Name
Motor Speed Vertical Feed Plain Std
ulletin
B
Date:
23-Aug-13
Yes
No
1. Replace the
EEPROM on the BCU.
2. Replace the BCU.
3. Replace the CTL.
4. Replace the PSU.
PAGE: 2/4
No.:
RD147074e
Yes
Replace the EEPROM
on the BCU
Light out
Default Value
0.9 0.9
Default Value
0.9 -2407.1