Each Tray Resist Amount Setting; Print Off-Center Adjustment - Sharp AR-M455N Service Manual

Print lead edge
<Specification>
Measuring
Specification
point
θ
Print Self print = 90° ± 0.13°
distortion pattern 71
adjustment
Adjustment position
Tray 1 Tray 1
Tray 2 Tray 2
Tray 3 Tray 3/LCC left
Tray 4 Tray 4/LCC right
MFT Manual feed
ADU Duplex
→
• For the duplex mode (Single
• When the print line is shifted toward a from the paper center, decrease the value.
• When the print line is shifted toward b from the paper center, increase the value.
a
Print lead edge
b
<3> Each tray resist amount setting
∗
This adjustment is executed when there is any lead edge vari-
ation or skew for each tray.
Items which must have been completed before this adjust-
ment.
• LSU right angle adjustment (If there is no distortion in self print,
the adjustment is not required.)

• Print off-center adjustment

Items which must be executed after completion of this adjust-
ment.
• Print lead edge adjustment
• Front/rear and left/right void amount setting
1) Execute SIM 51-2.
2) Enter the resist adjustment value with 10-key.
a b
Set value
θ
changes about 0.25
degrees for 1 scale of
adjustment. (A shifts
about 1mm.)
Measurement
reference
Output pattern
center line
Duplex), add 10 to the above set value.
AR-M355N/M455N ADJUSTMENTS 8 - 4
<2> Print off-center adjustment
Items which must have been completed before this adjust-
ment.
• LSU right angle adjustment (If there is no distortion in self print,
the adjustment is not required.)
Items which must be executed after completion of this adjust-
ment.

• Each tray resist amount setting

• Print lead edge adjustment
• Front/rear and left/right void amount setting
1) Execute SIM50-10.
2) Set the paper feed tray and the magnification ratio for the
adjustment.
3) After entering the adjustment values, press START key, and
printing is started.
4) Check the off-center (distance from the paper edge) of the
printed copy. Repeat procedure 2) until the specification is
satisfied.
SIMULATION 50-10
PRINT OFF-CENTER ADJUSTMENT. SELECT 0-8, AND PRESS
START.
0.TRAY SELECT 1 1.COPY START
2.MAGNIFICATION 100
(ADJUSTMENT DATA)
3.TRAY1 50 4.TRAY2 50
6.TRAY4 50 7.BPT 50
Specification
Default
0±1.5mm 50
3) Press [START] key.
When [START] key is pressed, the adjustment value is set and
paper feed and copying are performed.
4) Adjust the resist quantity so that paper is transferred stably.
SIMULATION 51-2
RESIST TIMING ADJUSTMENT. SELECT 0-8, AND PRESS START.
0.TRAY SELECT 1 1.PRINT START
2.TRAY1 50 3.TRAY2
5.BPT 50 6.ADU
7.SPF(HIGH) 50 8.SPF(LOW)
2
5.TRAY3 50
8.ADU 50
Set value
Range
0 - 99 Set value 1: 0.1mm shift
50 4.DESK 50
1
50
50