Minolta Di551 Service Manual page 512

Warning
Classification
Code
Fixing sensor F36-01 TH1 (fixing temperature /1) has not
abnormality reached 50°C when the specified
time has passed since the fixing ON
control has been processed after
SW2 (sub power) is turned on.
F36-02 The output voltage of TH2 (fixing
temperature /2) is detected as abnor-
mality low (less than -6°C) or abnor-
mally high (more than 240.5°C) at the
comparator circuit.
Scanner F41-01 PS61 (scanner HP) does not turn ON
abnormality within 5 seconds since M11 (scan-
ner) has turned ON.
Motor abnor- F41-02 The lock signal for M15 (polygon) is
mality not detected within 25 seconds from
the switch drive when M15 starts or
when switching the rotation speed.
Fan abnor- F42-01 An error for EM signal is detected
mality when 2 seconds have passed since
FM9 (scanner cooling) has turned
ON. The error does not clear after 2
seconds from the OFF/ON operation.
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.
Cause Machine response
The machine body
stops immediately and
turns OFF RL1 (main).
4-43
ELECTRIC PARTS LIST
Estimated
abnormal parts
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)
M11 (scanner)
PS61 (scanner HP)
SCDB (scanner drive board)
PRCB (printer control board)
M15 (polygon)
PMDB (polygon drive board)
PRCB (printer control board)
FM9 (scanner cooling)
SCDB (scanner drive board)
PRCB (printer control board)
FM2 (write section cooling)
PRCB (printer control board)