: Feb. 9 2004
1
AR-M550/M620/M700 SETTING AND ADJUSTMENTS 7 - 38
1) Go through the modes specified in Simulation 46-27.
2) Using the numeric keypad, select the number that corresponds to
the scan mode for which to make adjustments.
4) Press the Start key
5) Adjust the gamma by entering an appropriate value through the
numeric keypad.
A larger value provides larger gamma gradient and higher image
contrast.
6) Press the Start key
This applies the adjustment value.
Scanned images must be visually checked to ensure the post-adjust-
ment image gamma.
(Common image quality adjustment items for all of copy, scan,
and fax modes)
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.
• The CIS unit has been removed.
• The CIS unit has been replaced.
• The SPF unit has been removed.
• The SPF unit has been replaced.
1) Go through the modes specified in Simulation 46-20.
ADJ 11F Adjust the image gamma in scanner
mode
Item
1 OC_Fine.HT Fine text (Half-tone) (OC)
2 OC_SFine.HT Super fine (Half-tone) (OC)
3 OC_UFine.HT Ultra fine (Half-tone) (OC)
4 SPF_Fine.HT Fine text (Half-tone) (SPF)
5 SPF_SFine.HT Super fine (Half-tone) (SPF)
6 SPF_UFine.HT Ultra fine (Half-tone) (SPF)
7 CIS_Fine.HT Fine text (Half-tone) (CIS)
8 CIS_SFine.HT Super fine (Half-tone) (CIS)
9 CIS_UFine.HT Ultra fine (Half-tone) (CIS)
ADJ 12 Common image quality
adjustments for all of copy, scan,
and fax modes
Adjustment items Simulation for adjustment
Original table mode/SPF mode image
density correction
46-20
(Auto mode operation spec setting for
copy, scan, and fax)
46-19
ADJ 12A Correct the image density in original
table mode/SPF mode (Copy mode)
Used to adjust the copy density correction in the SPF copy mode for
the document table copy mode. The adjustment is made so that the
copy density becomes the same as that of the document table copy
mode.
SIMULATION 46-27
GAMMA SETUP(SCNNER), SELECT 1-9, AND PRESS START.
1.OC_Fine.HT 64 2.OC_SFine.HT 64 3.OC_UFine.HT 64
4.SPF_Fine.HT 64 5.SPF_SFine.HT 64 6.SPF_UFine.HT 64
7.CIS_Fine.HT 64 8.CIS_SFine.HT 64 9.CIS_UFine.HT 64
1
1
Item Content
Set
range
Default
0 TRAY SELECT Paper feed tray selection
1: TRAY1
2: TRAY2
3: TRAY3
4: TRAY4
5: Manual feed
6: Side LCC
– –
1 PRINT START Print start (Default) – –
2 EXP LEVEL Exposure level selection
3: Exposure level 1.0
4: Exposure level 1.5
5: Exposure level 2.0
6: Exposure level 2.5
7: Exposure level 3.0
8: Exposure level 3.5
9: Exposure level 4.0
10: Exposure level 4.5
11: Exposure level 5.0
– –
3 SPF (FRONT) SPF (front) (front frame side) 0 - 255 128
4 SPF (REAR) SPF (front) (rear frame side)
5 DSPF DSPF (Back surface)
SIMULATION 46-20
1
Press [CUSTOM SETTINGS] key.
SIMULATION 46-20
OC/SPF EXP. ADJUSTMENT. INPUT VALUE 0-255, AND PRESS
START.
1.SPF(FRONT)
128
Press [START] key.
SIMULATION 46-20
OC/SPF EXP. ADJUSTMENT. NOW PRINTING.
Press [CUSTOM SETTINGS] key,
or terminate copying.
SIMULATION 46-20
OC/SPF EXP. ADJUSTMENT. SELECT 1-6, AND PRESS START.
(FEED TRAY)
2.TRAY1 2.TRAY2 3.TRAY3 4.TRAY4
5.BPT 6.LCC
Press [START] key or
press [CUSTOM SETTINGS] key.
1
Select 0, and
press [START] key.
Select 1,
and press
[START] key.
SIMULATION 46-20
OC/SPF EXP. ADJUSTMENT. SELECT 3-8, AND PRESS START.
(EXP. LEVEL SELECT)
3.1.0 4.1.5 5.2.0
6.2.5 7.3.0 8.3.5
9.4.0 10.4.5 11.5.0
1
Press [START] key or
press [CUSTOM SETTINGS] key.
Select 2, and
press [START] key.
OC/SPF EXP. ADJUSTMENT. SELECT 1-4, AND PRESS START.
0.TRAY SELECT 1 1.PRINT START
2.EXP LEVEL 1
3.SPF(FRONT) 128
4.SPF(REAR) 128
5.DSPF 128
Select other than 0 - 2, and press [START] key.
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