Service manual

AR-M351U/M451U, AR-M355U/M455U ADJUSTMENTS 8 - 13
H. Image density adjustment
The image density adjustment is required for the following copy
quality mode by using the simulation.
There are two methods; the collective adjustment and the individ-
ual adjustment of the copy quality mode.
• Copy mode
• FAX mode
(1) Copy mode
a. Test chart setting
1) Place a test chart (UKOG-0162FCZZ) on the original table as
shown below.
2) Place several sheets of A3 (11 x 17) white paper
(Sharp’s specified paper) on the test chart at the rear refer-
ence.
Test chart comparison
b. Density adjustment procedure
<1> Collective adjustment of two or more copy quality modes
Normally this adjustment is performed with SIM 46-2. In this
method, two or more copy density adjustments in different modes
can be adjusted collectively.
1) Execute SIM 46-2.
(Binary value mode)
Copy quality mode Collective Adjustment
Individual
adjustment
Binary
value
mode
Auto mode SIM46-2
Character mode SIM46-9
Character/Photo mode SIM46-10
Photo mode SIM46-11
Adjustment
Individual
adjustment
Normal
mode
Binary value
mode
AUTO SIM46-12 SIM46-13
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
Small text
mode
Binary value
mode
AUTO SIM46-14
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
Half tone
mode
AUTO
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
Fine mode Binary value
mode
AUTO SIM46-15
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
Half tone
mode
AUTO
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
Super fine
mode
Binary value
mode
AUTO SIM46-16
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
Half tone
mode
AUTO
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
600dpi
mode
Binary value
mode
AUTO SIM46-45
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
Half tone
mode
AUTO
EXP1.0
EXP2.0
EXP3.0
EXP4.0
EXP5.0
UKOG-
0162FCZZ
DENSITY No.
12345678910W
UKOG-
0089CSZZ
DENSITY No.
0.1 0.2 0.3 0.5 1.9 0
KODAK GRAY
SCALE
123419A
SHARP
CORPORATION
MADE IN JAPAN
Quality mode Linked simulation data
AE3.0 (AE)
CH3.0 (Character) SIM46-9
MIX3.0 (Character/Photo) SIM46-10
PH3.0 (Photo) SIM46-11
UKOG-0162FCZZ
1 10 W 23456 7 89