Sharp AL-1611 Service Manual page 31

c. Rear edge void adjustment
1) Set a scale as shown in the figure below.
Paper rear edge
2) Set the document size to A4 (8.5" x 11"), and make a copy at 100%.
3) If necessary, perform the following adjustment procedure.
Void amount (Standard value: 4mm or less)
Scale image
4) Execute SIM 50-1 and set the density mode to AUTO + PHOTO
(Rear edge void).
The currently set adjustment value is displayed.
5) Enter the set value and press the start key.
The correction value is stored and a copy is made.
Note: Before performing the 2nd print surface rear edge void
adjustment, be sure to perform the 2nd print surface lead
edge position adjustment. Never reverse the sequence.
<Adjustment specification>
Mode SIM LED
Rear edge
SIM AUTO +
void
50-1 PHOTO
A4(8.5" x 11")
Paper rear edge
Set
Set value Specification
range
1 step:
0.127mm 4mm or less 1 ~ 99
shift
AL-1611/AL-1622 ADJUSTMENTS
d. Paper off center adjustment
1) Execute SIM 50-1 and set the density mode of AUTO + MANUAL
(Left edge void) to 1.
2) Set a test chart (UKOG-0089SCZZ) on the document table.
3) Select a paper feed port and make a copy.
Compare the copy and the test chart. If necessary, perform the fol-
lowing adjustment procedure.
4) Execute SIM 50-10.
After completion of warmup, shading is performed and the currently
set off center adjustment value of each paper feed port is displayed.
5) Enter the set value and press the start key.
The correction value is stored and a copy is made.
<Adjustment specification>
Mode SIM LED
Paper off
center
SIM Selected
50-10 tray ON
When SIM 48-01 (AE) is executed, the document off-center is automat-
ically set. Therefore, the off-center adjustment previously described in
5) must be adjusted again.
e. 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) Set a test chart (UKOG-0089SCZZ) on the document table.
2) Select a paper feed port and make two copies.
Compare the 2nd copy and the test chart. If necessary, perform the
following adjustment procedure.
The 1st copy does not show the void. Be sure to check the 2nd
copy.
3) Execute SIM 50-1 and set the density mode to AUTO + MANUAL
(Left edge void).
The currently set adjustment value is displayed.
(When the off center adjustment previously described is performed,
"0" is displayed.)
4) Enter the set value and press the start key.
The correction value is stored and a copy is made.
<Adjustment specification>
Mode SIM
Left edge void
SIM
50-1
When the left edge void is set with the paper off center adjusted, the
both edge void is automatically adjusted.
7 – 4
Set value Specification
Add 1:
0.127mm shift
Single:
to R side.
Center
Reduce 1:
2.0mm
0.127mm shift
to L side.
LED Set value Specification
1 step:
AUTO +
0.127mm 0.5 ~ 4mm
MANUAL
shift
Set
range
1 ~ 99
Set
range
1 ~ 99