Service Call Conditions
Serial Number Mismatch
Serial number stored in the memory does not have the correct code.
NVRAM defective
195
D
BCU replaced without original NVRAM
1.
Reinstall the original NVRAM in the replaced BCU.
2.
Turn off and on the main power switch of the copier if a new NVRAM is
installed in the BCU.
SC2xx: Laser Exposure
Polygon motor error 1: ON timeout
202
D
The polygon mirror motor did not reach the targeted operating speed
within 10 sec. after turning on or changing speed
Polygon motor error 1: OFF timeout
203
D
The polygon mirror motor did not leave READY status within 3 sec. after
polygon motor switched off.
Polygon motor error 1: XSCRDY signal error
204
D
The XSCRDY signal remained HIGH four times consecutively while the
LD unit was firing.
Polygon motor/driver board harness loose or broken
Polygon motor/driver board defective
Laser unit defective
BICU defective
M052/M053/M054
6-6
SM