Srdf - Kyocera KM-4230 Service Manual

2A3/4

• SRDF

Problem
(1)
The original
feed motor
does not
operate.
(2)
The original
conveying
motor does
not operate.
(3)
The original
feed solenoid
does not
operate.
3-6-88
Causes
Defective original
feed motor coil.
The connector
terminals of the
original feed motor
make poor contact.
Defective DF
driver PCB.
Defective original
conveying motor
coil.
The connector
terminals of the
original conveying
motor make poor
contact.
Defective DF
driver PCB
Defective original
feed solenoid coil.
The connector
terminals of the
original feed
solenoid make
poor contact.
Defective DF
driver PCB.
Check procedures/corrective measures
Check for continuity across the coil. If none,
replace the original feed motor.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Check for continuity across the original feed
motor coil and connector terminals. If good,
replace the DF driver PCB.
Check for continuity across the coil. If none,
replace the original conveying motor.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Check for continuity across the original con-
veying motor coil and connector terminals. If
good, replace the DF driver PCB.
Check for continuity across the coil. If none,
replace the original feed solenoid.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, remedy or replace the cable.
Check if the original feed solenoid operates
when CN5-B13 or CN5-B12 on the DF driver
PCB is low. If it does, replace the DF driver
PCB.