Service manual

SC Tables
D127/D128 6-12 SM
No.
Definition
Symptom Possible Cause
-002 Detecting wrong with fusing contact (Contact adhesion, Contact
separation)
 Defective the drive circuit in the
fusing relay
 PSU fuse (24VS) meltdown
 Unsteadiness in frequency of
the commercial power source
-003 Detecting low-frequency wave
557 D
Over zero cross frequency
The number of times
Low-frequency wave detection is
less than 1 time.
 Interruption of power source line
noise.
559 A
Consecutive fusing jam
The paper jam counter for the
fusing unit reaches 3 times. The
paper jam counter is cleared if the
paper is fed correctly.
This SC is activated only when
SP1159-001 is set to "1" (default
"0").
 Paper jam in the fusing unit.
620 B
ADF communication error
Disconnection after connection in
normal.
 Defective the ADF
 Defective the IPU board
 Bad connection of the ADF
622 B
Bank communication error
1. Malfunction occurs on line
connection.
2. Receiving a communication error
notice from the URAT.
 Defective the bank control board
 Defective the BICU, the IOB
 Bad connection between the
bank and the main machine
 Defective the bank control