Image Quality Adjustment; Image Density - Toshiba DP4500 Service Handbook

2.4 Image Quality Adjustment

2.4.1 Image density

Perform the image density adjustment in the adjustment mode "05" if the user requests to change the
image density.
Copy mode
Text/Photo Photo Text
503 501 504 Manual density center value The larger the value, the darker the image becomes
Code 505 506 507 Manual density light step value
508 509 510 Manual density dark step value The larger the value, the darker the image of the darker steps become
514 512 515 Automatic density
Adjust the image density to satisfy the user's request by taking the following procedure while studying the
image obtained from the test copy and the currently entered values.
<Keys used in the operation>
[0] [5]
[POWER]
1
[Digital keys]: Enter the code.
[START]
[Digital keys]: Enter the adjust-
ment value.
[C/S] Corrects the values
[SET]
: Value "ZZZ" is newly stored in
or BC-RAM instead of "YYY".
[INTERRUPT]
[FAX]: Test copy
Return to
the adjustment again
[0] [9]: To exit the adjustment
mode
DP4500/3500 ADJUSTMENT
Items to adjust
<Display>
100%
TEST MODE
100%
TEST MODE
YYY
Current adjustment value
100%
TEST MODE
100%
WAIT WARMING UP
100%
to make
COPYING
Notes) 1. Only one single-sided copy can be made.
2. Since the duplex copying is disabled, make a test copy
2 - 18
The larger the value, the lighter the image of the lighter steps become
The larger the value, the darker the image becomes
Varies depending on the code "xxx"
entered with the digital keys.
A
Code No.
XXX
ZZZ
A
A
A
after exiting the adjustment mode.
December 2000 © TOSHIBA TEC
Remarks
A3
A3
Newly entered
adjustment value
(YYY is the default
display).
A3
A3
A3