Konica Minolta CF5001 Service Manual page 502

ERROR CODE LIST
Classification Abnor-
mality
code
LT up/ F18-51
down
motor
abnor-
mality
LT paper F18-60
feed
assist fan
abnor-
mality
F18-61
LT power F18-70
abnor-
mality
F18-71
Commu- F20-10
nication
abnor-
mality
F20-11
F20-12
Causes
When the upper limit sensor
(PS109) or lower limit sensor
(PS101) is OFF, PS101 or
PS109 is not turned ON within
the specified time after the up/
down motor (M100) is turned
ON.
When the paper feed assist fan
/R (M137) was ON, M137
abnormality detection signal
was continuously detected for
the specified time.
When the paper feed assist fan
/F (M136) was ON, M136
abnormality detection signal
was continuously detected for
the specified time.
24VDC is not supplied to LCT.
12VDC is not supplied to LCT.
Communication abnormality
between printer control board
(PRCB) and drum drive board /
Y (DRDB /Y) or drum drive
board /M (DRDB /M).
Communication abnormality
between printer control board
(PRCB) and drum drive board /
C (DRDB /C) or drum drive
board /K (DRDB /K).
Communication abnormality
between printer control board
(PRCB) and transfer belt motor
(M18)
5-12
CF5001 Field Service Ver.1.0 Sep 2003
Resulting Estimated abnormal parts
operation
Main body LT drive board (LTDB)
stops imme- UP/DOWN motor (M100)
diately and Upper limit sensor (PS109)
main relay Lower limit sensor (PS101)
(RL1) is
turned OFF.
LT drive board (LTDB)
Paper feed assist fan /R (M137)
LT drive board (LTDB)
Paper feed assist fan /F (M136)
DC power unit /2 (DCPS2)
LT drive board (LTDB)
DC power unit /1 (DCPS1)
LT drive board (LTDB)
Printer control board (PRCB)
Drum drive board /Y (DRDB /Y)
Drum drive board /M (DRDB /
M)
Printer control board (PRCB)
Drum drive board /C (DRDB /C)
Drum drive board /K (DRDB /K)
Printer control board (PRCB)
Transfer belt motor (M18)