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Model
AR-M550 (serv.man14)
Pages
44
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2.46 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / (7) Settings and adjustments
File
ar-m550-sm14.pdf
Date
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AR-M550/M620  SETTING AND ADJUSTMENTS  7 - 36
3) Using the numeric keypad, select the number that corresponds to
the adjustment item.  Choose from numbers 3 to 8 (14).
• Auto mode
• Manual mode (print density adjustment level)
For manual mode, select the number that corresponds to the print
density level (1 to 5). (Choose from numbers (4 to 8) (10-14)).
4) Press the Start key
5) Press the Start key.  (A copy is created.)
If the print density is not at an acceptable level, do the following steps.
6) Adjust the print density by entering an appropriate value through
the numeric keypad. 
A larger value provides higher density. 
7) Press the P or Start key
This applies the adjustment value. 
Pressing the Start key starts print operation as well as applying the
adjustment value. 
8) Check the printed image density. 
Repeat steps 6 to 8 until an acceptable image density is obtained.
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.
(Scan mode image quality adjustment items)
(Scan mode image quality)
The image density settings should be normally left at defaults but
should be adjusted according to user requests, if any. 
Select 2, and 
press [START] key.
Press [START] key or 
press [CUSTOM SETTINGS] key. 
Item
Set 
range
Default
0
TRAY SELECT
Paper feed tray selection
1
PRINT START
Print start (Default)
2
EXP LEVEL
Exposure level selection
3
AUTO
Auto
0 - 99
50
4
1.0
Exposure level 1
5
2.0
Exposure level 2
6
3.0
Exposure level 3
7
4.0
Exposure level 4
8
5.0
Exposure level 5
9
AUTO (H)
Auto (Half-tone)
10
1.0 (H)
Exposure level 1 (Half-tone)
11
2.0 (H)
Exposure level 2 (Half-tone)
12
3.0 (H)
Exposure level 3 (Half-tone)
13
4.0 (H)
Exposure level 4 (Half-tone)
14
5.0 (H)
Exposure level 5 (Half-tone)
50
1
1
Select 1, 
and press 
[START] key.
Select other than 0 - 2, 
and press [START] key. 
Press [CUSTOM SETTINGS] key.
Press [START] key.
Press [CUSTOM SETTINGS] key, 
or terminate copying.
SIMULATION 46-14
EXP.LEVEL SETUP FAX(FINE).SELECT 0-14,AND PRESS START.
0.TRAY SELECT 
1 
 1.PRINT START
2.EXP LEVEL 
1
3.AUTO    
50
   4.1.0  
50 
  5.2.0  
50
6.3.0  
50
      7.4.0  
50
   8.5.0  
50
9.AUTO(H)   
50
   10.1.0(H) 
50
      11.2.0(H) 
50
12.3.0(H)  
50
    13.4.0(H) 
50
      14.5.0(H) 
50
SIMULATION 46-14
EXP.LEVEL SETUP FAX(FINE),INPUT VALUE 0-99, AND PRESS
START.
4.1.0
Select 0, and press [START] key.
SIMULATION 46-14
EXP.LEVEL SETUP FAX(FINE). NOW PRINTING.
SIMULATION 46-14
EXP.LEVEL SETUP FAX(FINE). SELECT 1-6, AND PRESS START.
(FEED TRAY)
   1.TRAY1 2.TRAY2 3.TRAY3 4.TRAY4
   5.BPT   6.LCC
Press [START] key, 
or press [CUSTOM SETTINGS] key.
1
SIMULATION 46-14
EXP.LEVEL SETUP FAX(FINE). SELECT 3-14, AND PRESS START.
(EXP.LEVEL SELECT)
3.AUTO     4.1.0     5.2.0
6.3.0      7.4.0     8.5.0
9.AUTO(H)    10.1.0(H)     11.2.0(H)
12.3.0(H)    13.4.0(H)     14.5.0(H)
ADJ 11
Adjusting the image quality in 
scan mode
Image mode
Simulation for 
adjustment
All-mode 
adjustment
Individual-
mode 
adjustment
Scan mode image 
density 
adjustment/
individual setup 
(standard mode)
Auto
Binary mode
46-21
46-22
Manual Binary mode
Scan mode image 
density 
adjustment/
individual setup 
(small-character 
mode)
Auto
Binary mode
46-23
Half tone mode
Manual Binary mode
Half tone mode
Scan mode image 
density 
adjustment/
individual setup 
(fine mode)
Auto
Binary mode
46-24
Half tone mode
Manual Binary mode
Half tone mode
Scan mode image 
density 
adjustment/
individual setup 
(super fine mode)
Auto
Binary mode
46-25
Half tone mode
Manual Binary mode
Half tone mode
AR-M550/M620  SETTING AND ADJUSTMENTS  7 - 37
1) Set the test chart (UKOG-0162FCZZ) on the original table so that it
aligns with the front frame. Then put four or five pieces of A3 (11" x
17") paper.
1) Go through the modes specified in Simulation 46-21.
2) Select the adjustment item SCANNER EXP. LEVEL using the
numeric keypad. 
3) Press the Start key
4) Enter the image density adjustment value. 
5) Press the P or Start key
Note: Adjusting the scanned image density through this simulation
changes the image density settings for all scan modes to the
image density level applied by carrying out this simulation. 
The scan-mode image density settings for individual scan modes
adjusted through Simulations 46-22, -23, -24, -25, and -45 are
changed to the image density level applied by this simulation. 
Scanned images must be visually checked to ensure the post-adjust-
ment image density.
This adjustment is intended to the image mode for each scan mode
individually. In manual mode, the image density setting for each
scanned image density adjustment level (1 to 5) can be adjusted to a
custom density level. 
1) Set the test chart (UKOG-0162FCZZ) on the original table so that it
aligns with the front frame. Then put four or five pieces of A3 (11" x
17") paper.
2) Go through the simulation modes that correspond to the scan
modes for which to adjust the scanned image density (i.e., the
modes specified in Simulations 46-21, -22, -23, -24, or -25).  
ADJ 11A
Adjust the scan mode image density for 
all modes at once
Press [START] key.
Press [START] key, or 
press [CUSTOM SETTINGS] key.
Item
Set 
range
Default
0
SCANNER EXP. LEVEL
Image density level
0 - 99
50
00
0
SIMULATION 46-21
EXP.LEVEL SETUP SCANNER(AUTO SET), PRESS START.
0.SCANNER EXP.LEVEL 
50
50
SIMULATION 46-21
EXP.LEVEL SETUP SCANNER(AUTO SET), INPUT VALUE 0-99,
AND PRESS START.
0.SCANNER EXP.LEVEL
ADJ 11B
Scan mode image density adjustment/
individual setup (standard mode)
ADJ 11C
Scan mode image density adjustment/
individual setup (small-character mode)
ADJ 11D
Scan mode image density adjustment/
individual setup (fine mode)
ADJ 11E
Scan mode image density adjustment/
individual setup (super fine mode)
Press [START] key.
Press [START] key, or 
press [CUSTOM SETTINGS] key.
Item
Set 
range
Default
0
SCANNER EXP. LEVEL
Image density level
0 - 99
50
00
0
SIMULATION 46-21
EXP.LEVEL SETUP SCANNER(AUTO SET), PRESS START.
0.SCANNER EXP.LEVEL 
50
50
SIMULATION 46-21
EXP.LEVEL SETUP SCANNER(AUTO SET), INPUT VALUE 0-99,
AND PRESS START.
0.SCANNER EXP.LEVEL
AR-M550/M620  SETTING AND ADJUSTMENTS  7 - 38
3) Enter the number that corresponds to the following adjustment
item using the numeric keypad.  (Choose from numbers 0 to 5.)
• Auto mode
• Manual mode (print density adjustment level)
For manual mode, select the number that corresponds to the
image density adjustment level (1 to 5).  (Choose from numbers 1
to 5.)
6) Press the Start key
7) Enter the image density adjustment value. 
8) Press the P or Start key
Scanned images must be visually checked to ensure the post-adjust-
ment image density.
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.
Select other than 0 - 5, and 
press [START] key.
Press [START] key, or press 
[CUSTOM SETTINGS] key.
Item
Set 
range
Default
0
AUTO
Auto
0 - 99
50
1
1.0
Exposure level 1
2
2.0
Exposure level 2
3
3.0
Exposure level 3
4
4.0
Exposure level 4
5
5.0
Exposure level 5
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)
1
SIMULATION 46-22
EXP.LEVEL SETUP SCANNER(NORMAL). SELECT 0-5, AND PRESS
START.
0.AUTO 
50
 1.1.0 
50
    2.2.0 
50
3.3.0 
50
  4.4.0 
50
    5.5.0 
50
50
SIMULATION 46-22
EXP.LEVEL SETUP SCANNER(NORMAL), INPUT VALUE 0-99, AND
PRESS START.
0.AUTO
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
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
AR-M550/M620  SETTING AND ADJUSTMENTS  7 - 39
2) Using the numeric keypad, enter the number that corresponds to
the mode for which to make adjustments. 
SPF front frame side (front face copy), SPF rear frame side (front
face copy), SPF (back side copy) (Choose from numbers 3 to 5.)
3) Press the Start key
4) Enter the density correction value using the numeric keypad. 
5) Press the P or Start key
6) Make two copies (one in original table mode and the other in SPF
mode) and compare the copies in terms of density. 
Repeat steps 4 to 6 until both copies provide the same density.
This adjustment is needed in the following situations: 
• 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.
1) Go through the modes specified in Simulation 46-19.
(Enabling/disabling toner save in auto mode)
1) Select "1 AE MODE" using the numeric keypad. 
2) Press the Start key
3) Using the numeric keypad, select the number that corresponds to
the operation spec. 
4) Press the Start key. 
Pressing the Start key applies the setting. 
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
SPF (Light surface)
0 - 255
128
4
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.
ADJ 12B
Set up the auto mode operation for 
copy, scan, and fax
Select 2, 3, or 4 and 
press [START] key.
Press [START] key, or 
press [CUSTOM SETTINGS] key.
Mode
Set 
value
Item
Default
AE mode
1
Image quality priority 
mode (Normal mode)
1 (Japan)
2 (EX Japan)
2
Toner consumption 
priority mode
AE fixed 
mode
0
AE fixed OFF
1 (COPIER)
0 (SCANNER/FAX)
1
AE fixed ON
2
Select 1, and 
press [START] key. 
Press [CUSTOM SETTINGS] key.
SIMULATION 46-19
EXP.MODE SETUP. SELECT 1-4, AND PRESS START.
1.AE MODE         
2
2.AE STOP MODE(COPIER) 
1
3.AE STOP MODE(SCANNER)
0
4.AE STOP MODE(FAX)    
0
SIMULATION 46-19
EXP.MODE SETUP. INPUT VALUE 1-2, AND PRESS START.
1.AE MODE
1
SIMULATION 46-19
EXP.MODE SETUP. INPUT VALUE 0-1, AND PRESS START.
2.AE STOP MODE(COPIER)
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