Oki MC562w Maintenance Manual

44952001TH Rev.2
7-66
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
(4-2) Jam occurs immediately after the paper feed is started.
Check item Checking method Action in case of NG
(4-2-1) Check condition of the paper running path
Paper running path
of the front unit
Checkifpaperisjammedornotinthepaper
running path.
Removethejammed
paper.
(4-2-2) Check condition of the mechanical parts
Hopping sensor,
IN sensor and WR
sensor lever check
Check the sensor lever shapes and
operations for any problem
Replace the sensor
lever(s) with proper
one(s).
(4-2-3) Motor operation check
Paper feed motor Confirm that the paper feed motor works
normally by using the Motor & Clutch Test of
the self-diagnostic mode.
Replace the CU/
PU board or the feed
motor.
Paper feed motor
driver
Pull out the CU/PU board HOP connector
①
, and check the following at the side of
the connector:
Several M
between pin-1 – FG
Several M between pin-2 – FG
Several M between pin-3 – FG
Several M between pin-4 – FG
Replace the CU/PU
board.
Check item Checking method Action in case of NG
(4-2-4) Check the system connection
Paper feed motor
drive cable
Check the connection condition of the cable.
Check if the connector is connected in
the half-way only or not, and check if the
connector is inserted in a slanted angle or
not. Check also that cables are assembled
without any abnormality.
Replace the cable
with the good cable
thatnormalizesthe
connection condition.
Paper feed motor
drive cable
Check that any cable is not pinched during
assembling of the printer.
Pull out the CU/PU board HOP connector
①
,
and check the following at side of the cord:
Short circuit between pin-1 – FG
Short circuit between pin-2 – FG
Short circuit between pin-3 – FG
Short circuit between pin-4 – FG
Replace the cable
with the good cable
thatnormalizesthe
connection condition.
Paper feed motor
Pull out the CU/PU board HOP connector
①
,
and check whether there is a resistance of
approximately 3.4
or 5 between the pins
1 and 2, and between the pins 3 and 4, at
the cord side.
Replace the paper
feed motor.

Oki MC562w Specifications

General

Brand	Oki
Model	MC562w
Category	All in One Printer
Language	English