Read Sharp AR-M351U / AR-M451U (serv.man16) Service Manual online
AR-M351U/M451U, AR-M355U/M455U ADJUSTMENTS 8 - 9
<6> OC scan lead edge adjustment
Items which must have been completed before this adjust-
ment.
ment.
• Adjustment on the engine side (If there is no problem in self
print, no need to adjust.)
• OC scan distortion adjustment
• SPF scan distortion adjustment
• OC scan magnification ratio adjustment
Items which must be executed after completion of this adjust-
ment.
ment.
• SPF scan lead edge adjustment
• Original off-center adjustment
1) Set an original on the original table.
2) Enter SIM 50-1.
3) Make a copy.
4) Select the number to be set on the right of the LCD, and per-
form the adjustment of each item.
5) Select "4: RRC-B" so that the distance between the paper lead
edge and the copy image lead edge is within 4.0mm. Change
the value with 10-key and perform the copy adjustment.
the value with 10-key and perform the copy adjustment.
6) Select "5: DEN-B" so that the white spot in the latter half of
copy (rear edge void) is within 4.0mm. Change the value with
10-key and perform the copy adjustment.
(The rear void adjustment is changed by the step of 0.1mm.)
10-key and perform the copy adjustment.
(The rear void adjustment is changed by the step of 0.1mm.)
• When the rear edge void is too small, increase the value.
• When the rear edge void is too great, decrease the value.
7) Select "3: RRC-A," change the value with 10-key, and adjust
the document scan start position.
8) Press [CA] key to cancel the simulation.
<Specification>
<7> SPF scan lead edge adjustment
Items which must have been completed before this adjust-
ment.
ment.
• Adjustment on the engine side (If there is no problem in self
print, no need to adjust.)
• SPF scan distortion adjustment
• SPF scan lead edge adjustment
• SPF magnification ratio adjustment
Items which must be executed after completion of this adjust-
ment.
ment.
• SPF/DSPF off-center adjustment
1) Make a copy of a chart which indicates the image loss amount
of each side with SPF/DSPF.
2) Execute SIM50-6 and change the values.
<Set values 1>
Item
Content
Specification
Set
range
Default
(Lead edge adjustment value)
3 RRCA
Document scan
start position
start position
4.0mm or
less
less
0 - 99
50
Set value
1: 0.1mm
shift
1: 0.1mm
shift
4 RRCB
Resist roller
clutch ON timing
adjustment value
clutch ON timing
adjustment value
4.0mm or
less
less
10 SIDE2 ADJ.
Correction value
for RRCB when
refereeing from
ADU
for RRCB when
refereeing from
ADU
1 - 99
50
(Image loss set value)
5 LEAD
Lead edge image
loss set value
loss set value
0 - 99
15
Set value
1: 0.1mm
shift
1: 0.1mm
shift
6 SIDE
Side image loss
set value
set value
20
(Void set value)
7 LEAD_EDGE
(DENA)
Lead edge void
set value
set value
Total 8mm
or less
or less
0 - 99
35
Set value
1: 0.1mm
shift
1: 0.1mm
shift
8 TRAIL_EDGE
(DENB)
Rear edge void
adjustment value
adjustment value
Total 8mm
or less
or less
9 FRONT/
REAR
Front/Rear void
adjustment value
adjustment value
Total 8mm
or less
or less
32
2
SIMULATION 50-1
LEAD EDGE ADJUSTMENT. SELECT 0-9, AND PRESS START.
0.TRAY SELECT
1
1.COPY START
2.MAGNIFICATION
100
(ADJUSTMENT DATA) 3.RRCA
50
4.RRCB
50
10.SIDE2 ADJ.
50
(IMAGE LOSS SETTING) 5.LEAD
15
6.SIDE
20
(VOID SETTING) 7.LEAD_EDGE(DENA)
35
8.TRAIL_EDGE(DENB)
35
9.FRONT/REAR
32
Item
Set
range
Default
0
TRAY SELECT
Paper feed tray
selection
selection
1 - 6
–
1
COPY START
Copy START (Default)
–
–
2
MAGNIFICATION Print magnification ratio
25 -
200%
–
(Lead edge adjustment value)
3
SIDE1
Front surface document
scan start position
adjustment value
scan start position
adjustment value
0 - 99
50
4
SIDE2
Back surface document
scan start position
adjustment value
scan start position
adjustment value
(Image loss set value: SIDE 1)
5
LEAD_EDGE
Front surface lead edge
image loss set value
image loss set value
0 - 99
15
6
FRONT_REAR
Front surface side edge
image loss set value
image loss set value
20
7
TRAIL_EDGE
Front surface rear edge
image loss set value
image loss set value
0 - 20
0
(Image loss set value: SIDE 2)
8
LEAD_EDGE
Back surface lead edge
image loss set value
image loss set value
0 - 99
15
9
FRONT/REAR
Back surface side edge
image loss set value
image loss set value
20
10 TRAIL_EDGE
Back surface rear edge
image loss set value
image loss set value
0 - 20
0
*: For output, select the right side tray.
<Document>
Document set reference
Output result
Rear edge void
Lead edge void
Adjust
with
RRCB.
with
RRCB.
Adjust
with
RRCA.
with
RRCA.
Image loss
(SIDE)
(SIDE)
FR void
Image loss
(LEAD)
Paper transport direction
2
SIMULATION 50-6
LEAD EDGE ADJUSTMENT(SPF). SELECT 0-10, AND PRESS
START.
0.TRAY SELECT
1
1.COPY START
2.MAGNIFICATION
100
(ADJUSTMENT DATA)3.SIDE1
50
4.SIDE2
50
(IMAGE LOSS SETTING)
SIDE1: 5.LEAD_EDGE
15
6.FRONT/REAR
20
7.TRAIL_EDGE
0
SIDE2: 8.LEAD_EDGE
15
9.FRONT/REAR
20
10.TRAIL_EDGE
0
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