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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c ERROR CODE AND SELF-DIAGNOSTIC MODE
2 - 51
2
391-0 Image
control
Output value
display of
image quality
sensor
Lowden-
sity pat-
tern Y
ALL 0
<0-1023>
M Displays the output
value of image quality
sensor when a low-den-
sity test pattern is writ-
ten.
The larger the value is,
the smaller the toner
amount adhered
becomes.
10
391-1 Lowden-
sity pat-
tern M
ALL 0
<0-1023>
M10
391-2 Lowden-
sity pat-
tern C
ALL 0
<0-1023>
M10
391-3 Lowden-
sity pat-
tern K
ALL 0
<0-1023>
M10
392 Image
control
Light amount adjustment
result of image quality sen-
sor
ALL 0
<0-255>
M The LED light amount
adjustment value of this
sensor is the reference
value to set the
reflected light from the
belt surface.
2
393 Image
control
Relative humidity display
during latest closed-loop
control
ALL 0
<0-100>
M Displays the relative
humidity at the latest
performing of the
closed-loop
control.
2
394 Image
control
Enforced performing of
image quality open-loop
control
ALL - - Performs the image
quality open-loop con-
trol.
6
395 Image
control
Enforced performing of
image quality closed-loop
control
ALL - M Performs the image
quality closedloop con-
trol.
6
396 Image
control
Image quality control initial-
ization
ALL - M Performs the image
quality control, initialize
each control value.
6
398-0 Image
control
Target value
of the high
image den-
sity control
YALL265
<220-
360>
M Sets the target value of
high image density con-
trol at the time of the
image quality control.
4
398-1 M ALL 300
<220-
360>
M4
398-2 C ALL 320
<220-
360>
M4
398-3 K ALL 370
<300-
420>
M4
401 Laser Fine adjustment of polygo-
nal motor rotation speed
(reproduction ratio adjust-
ment)
PRT 134
<0-255>
M When the value
increases by “1”, the
reproduction ratio of pri-
mary scanning direction
increases by approx.
0.07%. (approx. 0.1
mm/step)
1
405 PPC 135
<0-255>
M1
410 Laser Adjustment of primary
scanning laser writing start
position
PPC 128
<0-255>
M When the value
increases by “1”, the
writing start position
shifts to the front side
by approx. 0.0423 mm.
1
411 PRT 120
<0-255>
M1
Adjustment mode (05)
Code
Classifi-
cation
Items
Func-
tion
Default
<Accept-
able
value>
RAM Contents
Pro-
cedur
e