Sharp AR-M550N Service Manual page 234

: Feb. 9 2004
1
1) On the SPF original tray, place such a duplex original as illustrated
below.
10mm
2) Make a normal duplex copy on A4 paper.
3) Measure the lengths of the copied image (on the back side) and
the original image.
original
10 50 100 150 200
10
4) Determine the image magnification factor using the following for-
mula:
Image magnification factor (%) = Copy dimension/original dimen-
sion x 100
Image magnification factor (%) = 99 / 100 x 100 = 99
If the image magnification factor is within the spec (100±0.8%), no
adjustment is required; otherwise, do the following steps.
A4 size
(both sides)
10mm
copy
250
50 100 150 200 250
AR-M550/M620/M700 SETTING AND ADJUSTMENTS 7 - 19
5) Go through the modes specified in Simulation 48-1.
SIMULATION 48-1
1 MAGNIFICATION ADJUSTMENT. SELECT 0-7, AND PRESS START.
0.TRAY SELECT 1 1.PRINT START
2.MAGNIFICATION 100
3.CCD(MAIN) 50 4.CCD(SUB)
6.CIS(MAIN) 50 7.SPF(MAIN)
Select other than 0 - 2,
and press [START] key.
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT. INPUT VALUE 0-99, AND PRESS
START.
4.CCD(SUB)
Press [START] key.
Select 1, and
press [START] key.
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT. NOW COPYING.
Select 0, and press [START] key.
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT. SELECT 1-16, AND PRESS START.
1
(FEED TRAY)
1.TRAY1 2.TRAY2 3.TRAY3 4.TRAY4
5.BPT 6.LCC
(ABOVE+10: DUPLEX MODE)
Select 2, and
press [START] key.
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT.
(MAGNIFICATION)
INPUT 25-400(%)
6) Select the number that corresponds to the adjustment item CIS
(MAIN) using the numeric keypad.
This adjustment item is intended to adjust the image magnification
1
in the main scanning direction in SPF back-face mode (CIS). (CIS
(MAIN))
7) Press the Start key
8) Adjust the image magnification factor by entering an appropriate
value through the numeric keypad.
9) Press the P or Start key
Pressing the Start key starts copy operation as well as applying the
adjustment value.
Repeat the above adjustments until an acceptable result is obtained.
50 5.SPF(SUB) 50
2
50
Press [CUSTOM SETTINGS] key.
50
Press [CUSTOM SETTINGS] key,
or terminate copying.
Press [START] key, or
press [CUSTOM SETTINGS] key.
1
Press [START] key, or
press [CUSTOM SETTINGS] key.
100