Ricoh D127 Field Service Manual page 169

No.
Definition
-001 Detecting fusing contact meltdown
-002 Detecting wrong with fusing contact
B
-003 Detecting low-frequency wave
Over zero cross frequency
557 D
The number of times Low-frequency
wave detection is less than 1 time.
Consecutive fusing jam
The paper jam counter for the fusing unit
reaches 3 times. The paper jam counter
559 A
is cleared if the paper is fed correctly.
This SC is activated only when
SP1159-001 is set to "1" (default "0").
ADF communication error
620 B
Disconnection after connection in
normal.
Bank communication error
1. Malfunction occurs on line
622 B
connection.
2. Receiving a communication error
notice from the URAT.
Symptom Possible Cause
• Defective the fusing relay (Contact
adhesion, Contact separation)
• Defective the drive circuit in the
fusing relay
• PSU fuse (24VS) meltdown
• Unsteadiness in frequency of the
commercial power source
• Interruption of power source line
noise.
• Paper jam in the fusing unit.
• Defective the ADF
• Defective the IPU board
• Bad connection of the ADF
• Defective the bank control board
• Defective the BICU, the IOB
• Bad connection between the bank
and the main machine
• Defective the bank control
SC Tables
167