Service manual

ELECTRIC PARTS LIST
4-37
3 DIS./ASSEMBLY
4 ELECTRIC PARTS LIST
Main body
Fixing sen-
sor abnor-
mality
F36-01 TH1 (fixing temperature /1) has not
reached 50
°
C when the specified
time has passed since the fixing
ON control has been processed
after SW2 (sub power) is turned on.
The machine body
stops immediately
and turns OFF RL1
(main).
PRCB (printer control
board)
DCPS (DC power supply
unit)
L2 (fixing heater lamp/1)
L3 (fixing heater lamp/2)
TH1 (fixing temperature /1)
TH2 (fixing temperature /2)
F36-02 The output voltage of TH2 (fixing
temperature /2) is detected as
abnormality low (less than -6
°
C) or
abnormally high (more than
240.5
°
C) at the comparator circuit.
Scanner
abnormality
F41-01 PS61 (scanner HP) does not turn
ON within 5 seconds since M11
(scanner) has turned ON.
M11 (scanner)
PS61 (scanner HP)
SCDB (scanner drive board)
PRCB (printer control
board)
Motor
abnormality
F41-02 The lock signal for M15 (polygon) is
not detected within 25 seconds
from the switch drive when M15
starts or when switching the rota-
tion speed.
M15 (polygon)
PMDB (polygon drive
board)
PRCB (printer control
board)
Fan abnor-
mality
F42-01 An error for EM signal is detected
when 2 seconds have passed since
FM9 (scanner cooling) has turned
ON. The error does not clear after 2
seconds from the OFF/ON opera-
tion.
FM9 (scanner cooling)
SCDB (scanner drive board)
PRCB (printer control
board)
F42-02 An error for WRFAN1_EM signal is
detected when 2 seconds have
passed since FM2 (write section
cooling) has turned ON. The error
does not clear after 2 seconds from
the OFF/ON operation.
FM2 (write section cooling)
PRCB (printer control
board)
Classification
Warning
Code
Cause Machine response
Estimated
abnormal parts