Srdf; The Original Feed Motor Does Not Operate; The Original Conveying Motor Does Not Operate; The Original Feed Solenoid Does Not Operate - Kyocera Mita KM-4230 Service Manual

2A3/4

• SRDF

Problem
(1) Defective original
The original feed motor coil.
feed motor
The connector
does not
terminals of the
operate.
original feed motor
make poor contact.
Defective DF
driver PCB.
(2) Defective original
The original conveying motor
conveying coil.
motor does
The connector
not operate.
terminals of the
original conveying
motor make poor
contact.
Defective DF
driver PCB
(3) Defective original
The original feed solenoid coil.
feed solenoid
The connector
does not
terminals of the
operate.
original feed
solenoid make
poor contact.
Defective DF
driver PCB.
3-6-88
Causes 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.