Read Sharp AR-M620 (serv.man18) Service Manual online
AR-M550/M620 SETTING AND ADJUSTMENTS 7 - 23
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.
• The scanner (reading) section has been disassembled.
• The scanner (reading) unit has been replaced.
• U2 trouble has occurred.
(Adjustment mode selection)
1) Go through the modes specified in Simulation 50-12.
2) Using the numeric keypad, select the adjustment item PLATEN,
which is intended to adjust the off-center in original table mode.
3) Press the Start key
(Scan off-center adjustment)
1) Place an original on the original table.
2) Press the Start key
Check the off-center of the printed image.
If the off-center is 0±4.0 mm, no adjustment is required.
If the above requirement is not met, do the following steps.
3) Using the numeric keypad, change the adjustment value in steps
of 0.1 mm to adjust the scan image off-center. A larger setting
shifts the printed image toward the rear side.
shifts the printed image toward the rear side.
4) Press the P or Start key.
Pressing the Start key starts copy operation as well as applying the
adjustment value.
adjustment value.
5) Check the off-center of the printed image.
Repeat the above adjustments until an acceptable result is
obtained.
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.
• The scanner (reading) section has been disassembled.
• The scanner (reading) unit has been replaced.
• U2 trouble has occurred.
• The SPF section has been disassembled.
• The SPF unit has been replaced.
ADJ 7B
Adjust the scanned image off-center in
original table mode (scan section)
original table mode (scan section)
Select 2, and
press [START] key.
press [START] key.
Press [START] key, or
press [CUSTOM SETTINGS] key.
press [CUSTOM SETTINGS] key.
Item
Set range
Default
0 TRAY SELECT
Paper feed tray
selection
selection
1 - 6
–
1 COPY START
Copy START (Default)
–
–
2 MAGNIFICATION Print magnification ratio
25 - 400%
100
(Off-center adjustment value)
3 PLATEN
OC mode adjustment
0 - 99
50
4 SPF SIDE1
SPF front surface
adjustment
adjustment
5 SPF SIDE2
SPF back surface
adjustment
adjustment
50
1
2
Select 1,
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.
Select 0, and press [START] key.
Press [START] key or
press [CUSTOM SETTINGS] key.
press [CUSTOM SETTINGS] key.
SIMULATION 50-12
ORIGINAL OFF-CENTER ADJUSTMENT. SELECT 0-9, AND PRESS
START.
0.TRAY SELECT
1
1.COPY START
2.MAGNIFICATION
100
(ADJUSTMENT DATA)
3.PLATEN
50
4.SPF SIDE1
50
5.SPF SIDE2
50
SIMULATION 50-12
ORIGINAL OFF-CENTER ADJUSTMENT. NOW COPYING.
SIMULATION 50-12
ORIGINAL OFF-CENTER ADJUSTMENT. INPUT VALUE 0-99, AND
PRESS START.
3.PLATEN
SIMULATION 50-12
ORIGINAL OFF-CENTER ADJUSTMENT. SELECT 1-16, AND PRESS
START.
(FEED TRAY)
1.TRAY1 2.TRAY2 3.TRAY3 4.TRAY4
5.BPT 6.LCC
(ABOVE+10: DUPLEX MODE)
Select other than 0 - 2, and press [START] key.
100
SIMULATION 50-12
ORIGINAL OFF-CENTER ADJUSTMENT.
(MAGNIFICATION)
INPUT 25-400(%)
ADJ 7C
Adjust the scanned image off-center in
SPF front-face mode (scan section)
SPF front-face mode (scan section)
original
copy
a
b
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