Read Sharp AR-M550 (serv.man14) Service Manual online
AR-M550/M620 SETTING AND ADJUSTMENTS 7 - 30
1) Go through the modes specified in Simulation 50-27.
2) Enter the number that corresponds to the fax adjustment item
using the numeric keypad.
3) Press the Start key
4) Enter the adjustment value using the numeric keypad.
5) Press the Start key
(The adjustment value should be changed in steps of 1.0mm.)
Scanned images must be visually checked for image loss.
Note: Make adjustments in the same manner as in ADJ 8A and ADJ
8C.
This adjustment is needed in the following situations:
• The CCD unit has been replaced.
• U2 trouble has occurred.
• The MFP control PWB has been replaced.
• The EEPROM on the MFP control PWB has been replaced.
• The scanner control PWB has been replaced.
• The EEPROM on the scanner control PWB has been replaced.
• One or more parts of the scanner (reading) section have been
replaced.
• One or more consumables (OPC drum, developer, transfer belt)
have been replaced.
(Copy mode image quality adjustment items)
(Copied image reference density)
If the copied test chart (UKOG-0162FCZZ) image includes a back-
ground copy of patch 3 rather than patch 2, adjust all-copy mode to the
image density level specified above.
ground copy of patch 3 rather than patch 2, adjust all-copy mode to the
image density level specified above.
(Copied image gamma, copied image sharpness)
Normally, default settings should be applied to 'copied image gamma'
and 'copied image sharpness', but images should be adjusted accord-
ing to user requests, if any.
and 'copied image sharpness', but images should be adjusted accord-
ing to user requests, if any.
ADJ 8E
Adjust the image loss for images sent in
fax mode
fax mode
Press [START] key.
Press [CUSTOM SETTINGS] key.
Item
Set range
Default
FAX send
1
OC (LEAD_EDGE)
OC lead edge
0 - 10
(Unit 1mm)
3
(3mm)
2
OC (FRONT/REAR)
OC side
3
OC (TRAIL_EDGE)
OC rear edge
4
SPF (LEAD_EDGE)
SPF lead edge
5
SPF (FRONT/REAR) SPF side
6
SPF (TRAIL_EDGE)
SPF rear edge
7
CIS (LEAD_EDGE)
CIS lead edge
8
CIS (FRONT/REAR)
CIS side
9
CIS (TRAIL_EDGE)
CIS rear edge
Scanner mode
10
OC (LEAD_EDGE)
OC lead edge
0 - 10
(Unit 1mm)
0
(0mm)
11
OC (FRONT/REAR)
OC side
12
OC (TRAIL_EDGE)
OC rear edge
13
SPF (LEAD_EDGE)
SPF lead edge
14
SPF (FRONT/REAR) SPF side
15
SPF (TRAIL_EDGE)
SPF rear edge
16
CIS (LEAD_EDGE)
CIS lead edge
17
CIS (FRONT/REAR)
CIS side
18
CIS (TRAIL_EDGE)
CIS rear edge
1
SIMULATION 50-27
ORIGINAL IMAGE LOSS SETTING(FAX/SCN). SELECT 1-18, AND
PRESS START.
[FAX]
1.OC(LEAD_EDGE)
0
2.OC(FRONT/REAR)
0
3.OC(TRAIL_EDGE)
0
4.SPF(LEAD_EDGE)
0
5.SPF(FRONT/REAR)
0
6.SPF(TRAIL_EDGE)
0
7.CIS(LEAD_EDGE)
0
8.CIS(FRONT/REAR)
0
9.CIS(TRAIL_EDGE)
0
[SCN]
10.OC(LEAD_EDGE)
0
11.OC(FRONT/REAR)
0
12.OC(TRAIL_EDGE)
0
13.SPF(LEAD_EDGE)
0
14.SPF(FRONT/REAR)
0
15.SPF(TRAIL_EDGE)
0
16.CIS(LEAD_EDGE)
0
17.CIS(FRONT/REAR)
0
18.CIS(TRAIL_EDGE)
0
0
SIMULATION 50-27
ORIGINAL IMAGE LOSS SETTING(FAX/SCN). INPUT 0-10, AND
PRESS START.
1.OC(LEAD_EDGE)
ADJ 9
Adjusting the copied image
quality
quality
Image mode
Simulation for adjustment
All-mode
adjustment
Individual-
mode
adjustment
Auto mode
Binary mode
46-2
Text mode
Binary mode
46-9
Text/photo mode
Binary mode
46-10
Photo mode
Binary mode
46-11
Adjustment items
Simulation for adjustment
Copied image gamma adjustment
(copier mode)
(copier mode)
46-18
Copied image sharpness adjustment
46-31
1
2
W
10
9
Lot No. 01A
GRAY CHART
8
7
6
5
4
3
R
1
2
W
10
9
Lot No. 01A
GRAY CHART
8
7
6
5
4
3
R
Original
Copy
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