Kyocera KM-3035 Service Manual page 202

2FD/2FF/2FG
Code
C2000 Drive 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 ALM signal remains high for 1
s, 1 s after the paper feed motor has
turned on.
C2600 Deck conveying motor*/desk drive
motor* problem
• No pulse is input within 500 ms of the
start-up.
• No pulse is input within 100 ms of the
previous pulse input.
C3100 Scanner carriage problem
• The home position is not correct
when the power is turned on or at the
start of copying using the bypass ta-
ble.
1-5-28
Contents
Causes Check procedures/corrective measures
Poor contact in Reinsert the connector. Also check for con-
the drive motor tinuity within the connector cable. If none,
connector termi- remedy or replace the cable.
nals.
Defective drive Replace the drive motor.
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.
Defective deck Replace the deck conveying motor PCB/
conveying motor desk drive motor PCB and check for cor-
PCB/desk drive rect operation.
motor PCB.
Deck conveying Check the gears and remedy if necessary.
motor /desk drive
motor does not
rotate correctly
(the motor is over-
loaded).
Poor contact in Reinsert the connector. Also check for con-
the deck convey- tinuity within the connector cable. If none,
ing motor/desk remedy or replace the cable.
drive motor con-
nector terminals.
Check the connection of connector YC37
Poor contact in
the connector ter- on the main PCB and the continuity across
minals. the connector terminals. Repair or replace
if necessary.
Defective scanner Replace the scanner home position switch.
home position
switch.
Defective main Replace the main PCB or scanner drive
PCB or scanner PCB and check for correct operation.
drive PCB.
Defective scanner Replace the scanner motor.
motor.
Remarks
*: Optional