Adjust The Binary Mode Copy Density For All Modes At Once; Adj 9 Adjusting The Copied Image Quality - Sharp AR-M550N Service Manual

ADJ 9 Adjusting the copied image
quality
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)
Image mode
Auto mode Binary mode
Text mode Binary mode
Text/photo mode Binary mode
Photo mode Binary mode
Adjustment items
Copied image gamma adjustment
(copier mode)
Copied image sharpness adjustment
(Copied image reference density)
Original
1 2 3 4 5
Copy
1 2 3 4 5
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.
(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.
Simulation for adjustment
Individual-
All-mode
mode
adjustment
adjustment
46-2
46-9
46-10
46-11
Simulation for adjustment
46-18
46-31
GRAY CHART
R
6 7 8 9 10 W
Lot No. 01A
GRAY CHART
R
6 7 8 9 10 W
Lot No. 01A
AR-M550/M620/M700 SETTING AND ADJUSTMENTS 7 - 30
ADJ 9A Adjust the binary mode copy density for
all modes at once
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 modes specified in Simulation 46-2.
SIMULATION 46-2
EXP. LEVEL SETUP (2). SELECT 0-6, AND PRESS START.
0. TRAY SELECT 1 1. COPY START
2. EXP LEVEL 1
3. AE 3.0 50 4. CH 3.0
5. MIX 3.0 50 6. PHOTO 3.0
Select other then 0 - 2, and
press [START] key.
SIMULATION 46-2
EXP. LEVEL SETUP (2). INPUT VALUE 0-99, AND PRESS START.
3. AE 3.0
Select 1,
Press [START] key.
and press
[START] key.
SIMULATION 46-2
EXP. LEVEL SETUP (2). NOW COPYING.
Select 0, and
press [START] key.
SIMULATION 46-2
EXP. LEVEL SETUP (2). SELECT 1-6, AND PRESS START.
(FEED TRAY)
1. TRAY1 2. TRAY2
5. BPT 6. LCC
Select 2, and press [START] key.
SIMULATION 46-2
EXP. LEVEL SETUP (2). SELECT 3-6, AND PRESS START.
(EXP. LEVEL SELECT)
3. AE 3.0 4. CH 3.0
5. MIX 3.0 6. PHOTO 3.0
Item
0 TRAY SELECT Paper feed tray selection
1 COPY START Copy START (Default)
2 EXP LEVEL Exposure level selection
1
50
50
Press [CUSTOM SETTINGS] key.
50
Press [CUSTOM SETTINGS] key,
or terminate copying.
Press [START] key, or
press [CUSTOM SETTINGS] key.
3. TRAY3 4. TRAY4
1
Press [START] key,
or press [CUSTOM SETTINGS] key.
1
Set
Default
range