Kyocera Mita KM-4530 Service Manual page 168

Code Contents
C1140 Side deck* lift motor (going up)
problem
• When the side deck's right cover is
closed, the upper limit detection
switch does not turn on within 17 s of
the side deck lift motor turning on.
• When the upper limit detection switch
detects edge of turning off signal, the
upper limit detection switch does not
turn on within 200 ms of the side deck
lift motor turning on.
C1150 Side deck* lift motor (going down)
problem
• When the side deck's right cover is
closed, the lower limit detection
switch does not turn on within 17 s of
the side deck lift motor turning on.
• When the lower limit detection switch
detects edge of turning off signal, the
lower limit detection switch does not
turn on within 200 ms of the side deck
lift motor turning on.
C2000 Image formation motor problem
• LOCK ALM signal remains high for 1
s, 1 s after the drive motor has turned
on.
C2500 Paper feed motor problem
• LOCK DRIVE signal remains high for
1 s, 1 s after the paper feed motor
has turned on.
*: Optional for 55 cpm copier only.
Causes Check procedures/corrective measures
Poor contact in Reinsert the connector. Also check for con-
the upper limit de- tinuity within the connector cable. If none,
tection switch remedy or replace the cable.
connector termi-
nals.
Defective upper Replace the upper limit detection switch.
limit detection
switch.
Defective side Replace the side deck main PCB.
deck main PCB.
Poor contact in Reinsert the connector. Also check for con-
the lower limit de- tinuity within the connector cable. If none,
tection switch remedy or replace the cable.
connector termi-
nals.
Defective lower Replace the lower limit detection switch.
limit detection
switch.
Defective side Replace the side deck main PCB.
deck main PCB.
Poor contact in Reinsert the connector. Also check for con-
the image forma- tinuity within the connector cable. If none,
tion motor con- remedy or replace the cable.
nector terminals.
Defective image Replace the image formation motor.
formation motor
rotation control
circuit.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace
if any.
Poor contact in Reinsert the connector. Also check for con-
the paper feed tinuity within the connector cable. If none,
motor connector remedy or replace the cable.
terminals.
Defective paper Replace the paper feed motor.
feed motor rota-
tion control circuit.
Defective drive Check if the rollers and gears rotate
transmission sys- smoothly. If not, grease the bushings and
tem. gears. Check for broken gears and replace
if any.
Remarks
2BC/D
1-5-25