2RV/2RW/2RX/2RY/3RA-3
7-56
J4002/J4003: Registration sensor non-arrival jam
Condition: Paper is damaged.
The registration sensor does not turn on when feed from cassette 2, 3.
16 Replacing the main/engine
PWB
The main/engine PWB is
faulty.
Replace the main/engine
PWB.
Step Check description Assumed cause Measures Reference
1 (There is a mark of paper
caught up or paper is con-
veyed in skew) Checking
the paper path
Paper is caught up at the
foreign objects, hole, burr,
etc. on the conveying side
of the conveying guide.
If there is a foreign object or
burr on the conveying side of
the conveying guide, remove
it or replace it. If there is a
scratch, deformation or float-
ing, on the sheet guide mate-
rial correct or replace it.
2 (In case of Z-folded paper)
Checking the paper con-
veying path
The conveying path is filled
with foreign objects such
as paper piece.
If there is a burr or foreign
object on the conveying side
of the conveying guide,
remove it. If broken, replace
the conveying guide.
3 (Paper is conveyed in
skew or paper has a Z-
fold) Checking the PF con-
veying roller and drive gear
The conveying perfor-
mance is lowered or slip-
page occurs (rotation not
smooth).
Clean the PF conveying roller
surface. If worn down,
replace it. If foreign objects
adhere to the drive gear,
remove them and if dam-
aged, replace it.
4 (When the paper skew
occurs) Relocating the
paper width guides
The locations of the paper
width guides do not fit with
the paper size.
Relocate the paper width
guides to fit them with the
paper size.
5 (In case paper is conveyed
in skew) Checking the
paper stacking level
Paper is loaded above the
highest level.
Reload paper within the
upper limit label level.
6 (In case paper is conveyed
in skew) Checking the
press spring
Pressure balance of the
PF conveying pulley is not
proper.
Reattach the PF conveying
pulley press spring. If
deformed, correct or replace
it.
7 (In case paper conveying
delays) Checking the PF
cover
The PF cover is deformed. Check if the PF cover is
closed securely. If not closed
due to deformation, replace
it.
8 (In case paper leading
edge is bent) Checking
paper
The paper leading edge is
bent.
Remove the bent paper.
9 (In case paper leading
edge is bent) Checking
paper
Paper is curled downward
or wavy.
Correct or replace paper. If
difficult to replace, re-load
paper by switching top and
bottom ends or turning it over.
Step Check description Assumed cause Measures Reference
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