AL-1456 (serv.man11). Adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 2

AL-1555 ADJUSTMENTS 9 - 2

1) Set the scale on the document table as shown below. (Use a long

scale for precise adjustment.)

2) Set the copy magnification ratio to 100%.

3) Make a copy on A4 or 81/2" x 11" paper.

4) Measure the length of the copied scale image.

5) Calculate the sub scanning direction copy magnification ratio

using the formula below.

6) Check that the actual copy magnification ratio is within the

specified range. (100 ± 1.0%).
If it is not within the specified range, perform the following
procedures.

7) Execute SIM 48-1 to select the sub scanning direction copy

magnification ratio adjustment mode.
To select the adjustment mode, use the copy mode select key.
(Photo exposure lamp ON)

8) Enter the new set value of sub scanning direction copy

magnification ratio with the copy quantity set key, and press the
COPY button.

Repeat procedures 1) - 8) until the sub scanning direction actual copy
magnification ratio in 100% copying is within the specified range.

When the set value is changed by 1, the magnification ration is
changed by 0.1%.

There are following five kinds of image position adjustments, which are
made by laser control except for the image scan start position
adjustment. For the adjustments, SIM 50 - 01, 50 - 10, 50 - 18 and SIM
50 - 19 are used.

To select the adjustment mode with SIM 50 - 01, use the copy mode
select key.

The relationship between the adjustment modes and the lighting lamps 
are as shown in the table below.

: Supported for the installing model and skipped for non-installing

mode.

To select the adjustment mode with SIM 50 - 10, use the copy mode
select key.

The relationship between the adjustment modes and the lighting lamps
are as shown in the table below.

=

Copy image dimensions

X 100 (%)

Original dimension

100

110

120

130

150

140

mm
1/2mm

JAPAN

HARDDENCD
STAINLESS

Shizuoka

100

110

120

130

150

140

mm
1/2mm

JAPAN

HARDDENCD
STAINLESS

Shizuoka

110

10

20

10

20

Original (Scale)

Paper feed
direction

Reference

Comparison point

Copy

No.

Adjustment item

Simulation

1

Print start position

50 - 01

2

Image lead edge void amount

50 - 01

3 

Image scan start position

50 - 01

4 

Image rear edge void amount

50 - 01

5

SPF image scan start position

50 - 01

6

Center offset

50 - 10

7

Memory reverse position adjustment in 
duplex copy

50 - 18

8

Duplex copy rear edge void adjustment

50 - 19

9

Duplex back print start position

50 - 19

Adjustment mode

Lamp ON

Print start position (Main cassette paper 
feed)

AE, main cassette lamp

Print start position (2nd cassette paper 
feed)

AE, 2nd cassette lamp

Print start position (Manual paper feed) AE, manual feed lamp

Image lead edge void quantity

TEXT lamp

Image scan start position

PHOTO lamp

Image rear edge void quantity

AE, TEXT, PHOTO 
lamp

SPF image scan start position

AE, TEXT lamp

Adjustment mode

Lamp ON

Print center offset (Main cassette paper 
feed)

AE, main cassette lamp

Print center offset (Manual paper feed) AE, manual paper feed lamp

OC/document center offset

AE, TEXT lamp

Adjustment mode

Lamp ON

Print center offset (Main cassette paper 
feed)

AE, main cassette lamp

Print center offset (Manual paper feed) AE, manual paper feed lamp

OC/document center offset

AE, TEXT lamp

Adjustment mode

Lamp ON

Image cut rear edge void quantity 
(RSPF)

AE lamp

Paper rear edge void quantity

TEXT lamp

Print start position (Duplex back)

PHOTO lamp

RSPF (Back) original center offset

AE, TEXT, PHOTO lamps