Paper Size Error (Error Code: 400 And 401); Printing Was Stopped When Paper Ejected After Paper Size Error Detected; Id Unit Up/Down Error (Service Call 142); Error Occurs During The Up Movement Of The Id Unit - Oki MC873dn Maintenance Manual

Oki Data CONFIDENTIAL

2.5.5. (3-6) Paper size error (Error code: 400 and 401)

(3-6-1) Printing was stopped when paper ejected after paper size error detected.

Check item
(3-6-1-1) Check paper feed condition
Multi-feed of papers Check whether multi-feed paper ejected or not.
Paper size Does the paper size specified for print match the
paper size of paper stuck in the tray.
IN1 sensor, IN2 Check if shape and movement of the sensor
sensor levers have any abnormality or not.
45850101TH Rev.1
Actions to be taken
Check work
at NG
If multi-feed
occurs again
after the open
and close the
front cover,
replace the
retard roller of
the tray in use.
Change the
specified paper
size or size of
paper inside the
tray.
Replace the
sensor lever with
the good sensor
lever.
2.5.5.(4)

ID unit Up/Down error (Service call 142)

(4-1)

Error occurs during the Up movement of the ID unit

Check item
(4-1-1) Check the mechanical load during the Up movement
Mechanical load Check if abnormal heavy load is applied when
during installation removing the ID unit.
and removal of the
ID unit
Greasing to the right Check if the slant surface of the link lever is
and left Up/Down coated by grease or not.
link levers
Assembled condition Check if any part exists or not in the vicinity of
of the right and left link lever, that hampers movement of the link
Up/Down link levers lever.
(4-1-2) Up/Down mechanism
Assembled condition Is the mechanism assembled so that the link
of the peripheral lever is connected to the planetary driving gear?
mechanism of the
link lever
Right and left link Check if the link lever is set in the correct
levers 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 several teeth.)
2. TROUBLESHOOTING PROCEDURES
Actions to be taken
Check work
at NG
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.
Apply grease.
Assemble them
correctly.
Assemble them
correctly.
Assemble them
correctly.
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