The reload temperature with 56 sec-
onds after the start of the fusing tem-
perature control cycle.
553 A
Fusing thermistor error 3
The end thermistor (contact type) was
at 240°C (464°F) for more than 1
second. The temperature is read 10
times every sec. (at 0.1 sec. intervals).
• PSU defective
• IOB control board defective
• BICU control board defective
555 A
Fusing lamp error
After the start of the warmup cycle, a
fusing lamp was at full power for 1.8
seconds but the hot roller did not turn.
• Thermistor bent, out of position
• Fusing lamp disconnected
• Circuit breaker opened
557
Zero cross signal error
High frequency noise was detected on
the power line.
• No action required. The SC code is logged
and the operation of the machine is not af-
fected.
559 A
Fusing jam: 3 counts
At the fusing exit sensor the paper was
detected late for three pulse counts
(lag error), and SP1159 was on.
• If this SC occurs, the machine cannot be
used until the service technician cancels
the SC code.
• This SC does occurs only if SP1159 has
been set to "1" (On). (Default: 0 (Off)).
569 D
Fusing pressure release motor error
During copying, the HP sensor could
not detect the actuator, tried again 3
times and could not detect.
• Motor lock because of too much load
• Motor driver defective
• HP sensor defective, disconnected, con-
nector defective, harness damaged
590 D
Toner collection motor error
4. Troubleshooting
262
To Next Page
