Kyocera Mita KM-4530 Service Manual page 166

Code Contents
C0640 Hard disk drive problem
• The hard disk drive cannot be ac-
cessed.
C1010 Upper lift motor problem [Drawer 1]
• When the drawer 1 is inserted, the lift
limit switch 1 does not turn on within
5.5 s of the upper lift motor turning
on.
• During copying, the lift limit switch 1
does not turn on within 200 ms of the
upper lift motor turning on.
C1020 Lower lift motor problem [Drawer 2]
• When the drawer 2 is inserted, the lift
limit switch 2 does not turn on within
5.5 s of the lower lift motor turning on.
• During copying, the lift limit switch 2
does not turn on within 200 ms of the
lower lift motor turning on.
Causes Check procedures/corrective measures
Poor contact of Check the connection of connectors CN2
the hard disk drive on the main PCB and hard disk drive, and
connector termi- the continuity across the connector termi-
nals. nals. Repair or replace if necessary.
Defective hard Run U906 (Resetting partial operation con-
disk drive. trol) to cancel partial operation control. Run
U024 (HDD formatting) without turning the
power off to initialize the hard disk.
Replace the hard disk drive and check for
correct operation if the problem is still de-
tected after initialization.
Defective main Replace the main PCB and check for cor-
PCB. rect operation.
Broken gears or Replace the upper lift motor.
couplings of the
upper lift motor.
Defective upper Check for continuity across the coil. If
lift motor. none, replace the upper lift motor.
Poor contact of Reinsert the connector. Also check for con-
the lift motor 1 tinuity within the connector cable. If none,
connector termi- repair or replace the cable.
nals.
Defective lift limit Check if CN 7-6 on the engine PCB goes
switch 1. low when the lift limit switch 1 is turned off.
If not, replace the lift limit switch 1.
Poor contact of Reinsert the connector. Also check for con-
the lift limit switch tinuity within the connector cable. If none,
1 connector termi- repair or replace the cable.
nals.
Broken gears or Replace the lower lift motor.
couplings of the
lower lift motor.
Defective lower lift Check for continuity across the coil. If
motor. none, replace the lower lift motor.
Poor contact of Reinsert the connector. Also check for con-
the lower lift motor tinuity within the connector cable. If none,
connector termi- repair or replace the cable.
nals.
Defective lift limit Check if CN7-22 on the engine PCB goes
switch 2. low when the lift limit switch 2 is turned off.
If not, replace the lift limit switch 2.
Poor contact of Reinsert the connector. Also check for con-
the lift limit switch tinuity within the connector cable. If none,
2 connector termi- repair or replace the cable.
nals.
Remarks
2BC/D-1
1-5-23