Electrical Problems; Copier; The Machine Does Not Operate When The Main Switch Is Turned On; The Drive Motor Does Not Operate (C200) - Kyocera Mita KM-4230 Service Manual

3-6-4 Electrical problems

• Copier

Problem
(1) No electricity at
The machine the power outlet.
does not op-
The power cord is
erate when
not plugged in
the main
properly.
switch is
turned on.
The front cover,
left cover and/or
right cover are/is
not closed com-
pletely.
Broken power
cord.
Defective main
switch.
Blown fuse in the
power source
PCB.
Defective safety
switch 1, 2 or 3.
Defective power
source PCB.
Poor contact in the
(2)
drive motor con-
The drive
nector terminals.
motor does
not operate
Broken drive motor
(C200).
gear.
Causes Check procedures/corrective measures
Measure the input voltage.
Check the contact between the power plug
and the outlet.
Check the front, left and right covers.
Check for continuity. If none, replace the
cord.
Check for continuity across the contacts. If
none, replace the main switch.
Check for continuity. If none, remove the
cause of blowing and replace the fuse.
Check for continuity across the contacts of
each switch. If none, replace the switch.
With AC present, check for 5 V DC at
CN2-1 on the power source PCB, 12 V DC
at CN4-1 and 24 V DC at CN1-1. If none,
replace the power source PCB.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Check visually and replace the drive motor if
necessary.
2A3/4
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