Oki MC561 - Paper Size Error (Error Code 400); Jam Occurs When Paper End Is Located Near the IN1 Sensor; ID Unit Up;Down Error (Service Call 142); Error Occurs During the up Movement of the ID Unit

44473001TH Rev.1
238 /
Oki Data CONFIDENTIAL
7. TROUBLESHOOTING PROCEDURES
7.5.4. (9) Paper size error (error code 400)
(9-1) Jam occurs when paper end is located near the IN1 sensor.
Check item Check operation
Actions for NG
results
(9-1-1) Check paper feed condition
Multifeed of papers Open the front cover and check if multifeed of
papers occurs or not.
If t
he multifeed
occurs again
after the
jammed paper
is removed,
replace the flap
of the tray in
use.
Paper size Does the paper size specified for print match the
paper size of paper stuck in the tray.
Change the
specified paper
size or size of
paper inside
the tray.
Hopping sensor Check if shape and movement of the sensor
levers have any abnormality or not.
Replace the
sensor lever
with the good
sensor lever.
7.5.4. (10) ID unit Up/Down error (Service call 142)
(10-1) Error occurs during the Up movement of the ID unit
Check item Check operation
Actions for NG
results
(10-1-1) Check the mechanical load during the Up movement
Mechanical load
during installation
and removal of the
ID unit
Ch
eck if abnormal heavy load is applied when
removing the ID unit.
IReplace the ID
unit, or replace
the right/left
side plate.
If any attempt
of using new
ID unit as a
trial is going
to be made,
be sure to use
the System
Maintenance
Menu FUSE
KEEP MODE.
Greasing to the
right and left Up/
Down link levers
Ch
eck if the slant surface of the link lever is
coated by grease or not.
Apply grease.
Assembled
condition of the
right and left Up/
Down link levers
Check if any part exists or not in the vicinity of
link lever, that hampers movement of the link
lever.
Assemble them
correctly.
(10-1-2) Up/Down mechanism
Assembled
condition of
the peripheral
mechanism of the
l
i
nk lever
Is the mechanism assembled so that the link
lever is connected to the driving gear?
Assemble them
correctly.
Right and left link
levers
Check if the link lever is set in the correct position
that enables the specified engagement of gears.
(Check if the link lever is set in the wrong position
that results in the wrong engagement of gears by
se
veral teeth.)
Assemble them
correctly.