Read Sharp AR-M550 (serv.man14) Service Manual online
AR-M550/M620 SETTING AND ADJUSTMENTS 7 - 34
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.
(Fax mode image density adjustment items)
(Fax mode density)
The print density settings should be normally left at defaults but should
be adjusted according to user requests, if any.
be adjusted according to user requests, if any.
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 .
17") paper .
2) Go through the modes specified in Simulation 46-12.
3) Select the adjustment item (FAX EXP. LEVEL) using the numeric
keypad.
4) Press the Start key.
5) Press the Start key (A copy is created.)
Check the print density.
If the print density is not at an acceptable level, do the following
steps.
steps.
6) Enter the print adjustment value using the numeric keypad.
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.
adjustment value.
ADJ 10
Adjusting the print quality in fax
mode
mode
Image mode
Simulation for
adjustment
All-mode
adjustment
Individual-
mode
adjustment
Fax mode print
density
adjustment
(standard
mode)
density
adjustment
(standard
mode)
Auto
mode
mode
Binary mode
46-12
46-13
Manual
Binary mode
Fax mode print
density
adjustment
(small-
character
mode)
density
adjustment
(small-
character
mode)
Auto
mode
mode
Binary mode
46-14
Half tone
mode
mode
Manual
Binary mode
Half tone
mode
mode
Fax mode print
density
adjustment (fine
mode)
density
adjustment (fine
mode)
Auto
mode
mode
Binary mode
46-15
Half tone
mode
mode
Manual
Binary mode
Half tone
mode
Half tone
mode
Fax mode print
density
adjustment
(super fine
mode)
density
adjustment
(super fine
mode)
Auto
mode
mode
Binary mode
46-16
Half tone
mode
mode
Manual
Binary mode
Half tone
mode
mode
Fax mode print
density
adjustment
(600dpi mode)
density
adjustment
(600dpi mode)
Auto
mode
mode
Binary mode
46-45
Half tone
mode
mode
Manual
Binary mode
Half tone
mode
mode
ADJ 10A
Adjust the fax mode print density for all
modes at once
modes at once
Select 0, 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
1
COPY START
Copy START (Default)
2
FAX EXP. LEVEL
FAX mode print density
0 - 99
50
00
SIMULATION 46-12
EXP.LEVEL SETUP FAX(AUTO SET). SELECT 0-2, AND PRESS
START.
0.TRAY SELECT
1
1.COPY START
2.FAX EXP.LEVEL
50
Press [CUSTOM SETTINGS] key.
SIMULATION 46-12
EXP.LEVEL SETUP FAX(AUTO SET), INPUT VALUE 0-99, AND
PRESS START.
2.FAX EXP.LEVEL
50
1
Press [START] key.
Press [CUSTOM SETTINGS] key,
or terminate copying.
or terminate copying.
SIMULATION 46-12
EXP.LEVEL SETUP FAX(AUTO SET). NOW PRINTING.
Select 1, and
press [START] key.
press [START] key.
Select other than 0 - 1, and
press [START] key.
press [START] key.
SIMULATION 46-12
EXP.LEVEL SETUP FAX(AUTO SET).SELECT 1-6, AND PRESS
START.
(FEED TRAY)
1.TRAY1 2.TRAY2 3.TRAY3 4.TRAY4
5.BPT 6.LCC
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