Read Sharp AR-M620 (serv.man18) Service Manual online
AR-M550/M620 SETTING AND ADJUSTMENTS 7 - 19
6) Using the numeric keypad, select the number that corresponds to
the mode for which to make adjustments.
Select the adjustment item that is intended to adjust the image
magnification in the main scanning direction in SPF front-face
mode (CCD).
magnification in the main scanning direction in SPF front-face
mode (CCD).
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.
adjustment value.
Repeat the above adjustments until an acceptable result is obtained.
This adjustment is needed in the following situations:
• The MFP control PWB has been replaced.
• The EEPROM on the MFP control PWB has been replaced.
• The scan control PWB has been replaced.
• The EEPROM on the scan control PWB has been replaced.
• U2 trouble has occurred.
• Images are not correctly magnified in the main scanning direction.
1) On the SPF original tray, place such a duplex original as illustrated
below.
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.
4) Determine the image magnification factor using the following for-
mula:
Image magnification factor (%) = Copy dimension/original dimen-
sion x 100
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.
adjustment is required; otherwise, do the following steps.
Select 2, and
press [START] key.
press [START] key.
Press [START] key, or
press [CUSTOM SETTINGS] key.
press [CUSTOM SETTINGS] key.
ADJ 6D
Adjust the image magnification in the
main scanning direction in SPF back-
face mode (CCD)
main scanning direction in SPF back-
face mode (CCD)
50
1
2
Select other than 0 - 2,
and press [START] key.
and press [START] key.
Press [CUSTOM SETTINGS] key.
Press [START] key.
Press [CUSTOM SETTINGS] key,
or terminate copying.
or terminate copying.
Press [START] key, or
press [CUSTOM SETTINGS] key.
press [CUSTOM SETTINGS] key.
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT. SELECT 0-9, AND PRESS START.
0.TRAY SELECT
1
1.PRINT START
2.MAGNIFICATION
100
3.CCD(MAIN)
50
4.CCD(SUB)
50
5.SPF(SUB)
50
6.CIS(MAIN)
50
7.SPF(MAIN)
50
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT. INPUT VALUE 0-99, AND PRESS
START.
4.CCD(SUB)
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT. NOW COPYING.
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT. SELECT 1-15, AND PRESS START.
(FEED TRAY)
1.TRAY1 2.TRAY2 3.TRAY3 4.TRAY4
5.BPT 6.LCC
(ABOVE+10: DUPLEX MODE)
Select 1, and
press [START] key.
press [START] key.
Select 0, and press [START] key.
100
SIMULATION 48-1
MAGNIFICATION ADJUSTMENT.
(MAGNIFICATION)
INPUT 25-400(%)
A4 size
(both sides)
10mm
10mm
original
10
50
100
150
200
250
copy
10
50
100
150
200
250
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