Paper Off Center Adjustment; Left Edge Void Area Adjustment - Sharp MX-M260 Service Manual

(4) Paper off center adjustment

1) Set a test chart (UKOG-0089CSZZ) on the document table.
2) Select a paper feed port and make a copy.
3) Execute SIM 50-10.
SIMULATION 50-10
PRINT OFF-CENTER ADJUSTMENT. INPUT VALUE 1-99, AND
PRESS START.
1: BYPASS 50
2: TRAY1 50
3: TRAY2 50
4: TRAY3 50
5: TRAY4 50
6: DUPLEX 50
4) Touch the item to be adjusted.
The item and the currently set value are highlighted.
5) Press the [START] key.
The display is shifted to the copy menu.
6) Select the paper feed tray and the print density.
Enter the adjustment value with the 10-key.
7) Press the [START] key.
Copying is started.
Item Content
1 BYPASS Manual paper feed
2 TRAY1 1st tray
3 TRAY2 2nd tray
4 TRAY3 3rd tray
5 TRAY4 4th tray
6 DUPLEX Back print
<Adjustment specification>
Adjustment
SIM Set value
mode
Paper off 50-10 Add 1: 0.127mm
center -2 shift to R side.
Reduce 1:
Second 50-10
0.127mm shift to L
print surface -6
side.
off-center
50
1/1
OK
Setting range Default
1-99 50
Setting
Spec value
range
Single:
Center
±2.0mm
1 – 99
Duplex:
Center
±2.5mm
MX-M260/M310/M260N/M310N ADJUSTMENTS 5 - 4

(5) Left edge void area adjustment

Note: Before performing this adjustment, be sure to check that the
paper off center adjustment (SIM 50-10) is completed.
1) Execute SIM 50-1.
SIMULATION 50-1
LEAD EDGE ADJUSTMENT. INPUT VALUE 1-99, AND PRESS START.
1: RRC-A 43
3: DEN-A -MANUAL 18
5: DEN-A -DUPLEX 18
7: DEN-B-DUP 50
9: SIDE VOID-DUP 18
2) Note down the adjustment value of SIM 50-5 (Items 1, 2, 3, 4), and
change the value to 99.
3) Set SIM 50-1 (Items 2, 3, 4, 5) to 1. (By setting to 1, there is no
void.)
4) Place a chart with a clear lead edge (or a ruler) on the OC docu-
ment table.
5) Use SIM 50-1 (Item 1) to execute test print. Check the print out and
adjust so that the lead edge image is printed. (1 – 99: About
0.127mm/Step)
6) Reset the adjustment values of SIM 50-5 (Items 1, 2, 3, 4) to the
original values, and execute test print. Check the print out and
adjust so that the lead edge image is printed on the lead edge of
paper. (1 – 99: About 0.127mm/Step).
7) Adjust SIM 50-1 (Items 2, 3, 4, 5) so that the lead edge void on the
print out is the specified value. (1 – 99: About 0.127mm/Step)
8) Similar to procedure 7, adjust SIM 50-1 (Item 6, 7) so that the rear
edge void is the specified value. (1 – 99: About 0.127mm/Step)
9) Similar to procedure 7, adjust SIM 50-1 (Item 8, 9) so that the left
edge void is the specified value. (1 – 99: About 0.127mm/Step)
10) Make an enlargement copy (400%), and check that there is no
shade of the cabinet printed at the lead edge.
11) If there is a shade printed at the lead edge in procedure 9, adjust
SIM 50-1 (Item 10). (1 – 5: About 0.677mm)
* If there is no problem, set to 3.
Item
1 RRC-A Original scan start position
adjustment
Lead edge position
adjustment value (OC)
2 DEN-A Lead edge cancel
adjustment (Main tray)
3 DEN-A-MANUAL Lead edge cancel
adjustment
(Manual feed tray)
4 DEN-A-OPTION Lead edge cancel
adjustment (Option tray)
5 DEN-A-DUPLEX Lead edge cancel
adjustment
(back of the machine)
6 DEN-B Rear edge void adjustment
7 DEN-B-DUP Rear edge void adjustment
(Duplex)
8 SIDE VOID Left edge void adjustment
(First print surface)
9 SIDE VOID-DUP Left edge void adjustment
(Duplex)
10 LOSS(OC) Image loss amount
adjustment (Lead edge
image loss set value) (OC)
<Adjustment specification>
Adjustment
SIM
mode
Left edge void 50-1 1 step: 0.127mm
-8 shift
2: DEN-A 18 43
4: DEN-A -OPTION 18
6: DEN-B 3 1/1
8: SIDE VOID 18
10: LOSS(OC) 3
OK
Setting
Content Default
range
1-99
1-99
1-99
1-99
1-99
1-99
1-99
1-99
1-99
1-5
Spec Setting
Set value
value range
0.5 – 4mm 1 – 99
43
18
18
18
18
30
50
18
18
3