March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 ERROR CODE AND SELF-DIAGNOSTIC MODE
2 - 45
2
260 Image
quality
control
Contrast voltage open-loop
control RMS value display
ALL 250
<0-999>
M The default value of
development contrast
potential is displayed.
2
261 RMS value display of
development contrast volt-
age
ALL 300
<0-999>
M The RMS value of devel-
opment contrast poten-
tial is displayed.
2
262 Image
quality
control
Background potential RMS
value display
ALL 100
<0-999>
M The RMS value of the
background potential is
displayed.
[Unit: V]
2
263-0 Image
quality
control
RMS value
display of
open-loop
control
(Laser power
initial value)
1st laser ALL Refer to
contents
<0-1500>
M The RMS value of the
laser power calculated in
the open-loop control is
displayed.
[Unit: µW]
<Default value>
e-STUDIO520 /
e-STUDIO600 /
e-STUDIO720: 665
e-STUDIO850: 304
10
263-1 2nd laser ALL 304
<0-1500>
M The RMS value of the
laser power calculated in
the open-loop control is
displayed.
[Unit: µW]
* Valid only for
e-STUDIO850
10
264-0 Image
quality
control
Laser power
RMS value
display
1st laser ALL Refer to
contents
<0-1500>
M The RMS value at the
regular operation is dis-
played.
[Unit: µW]
<Default value>
e-STUDIO520 /
e-STUDIO600 /
e-STUDIO720: 665
e-STUDIO850: 304
10
264-1 2nd laser ALL 304
<0-1500>
M The RMS value at the
regular operation is dis-
played.
[Unit: µW]
* Valid only for
e-STUDIO850
10
265-0 Image
quality
control
Number of
times of
image quality
closed-loop
control correc-
tion
Develop-
ment con-
trast
voltage
correction
ALL 0
<0-99>
M The number of times of
the development con-
trast voltage correction
performed is displayed.
10
265-1 Laser
power cor-
rection
ALL 0
<0-99>
M The number of times of
laser power correction
performed is displayed.
10
268 Image
quality
control
Drum surface potential
sensor output
(Latest value)
(Low voltage)
ALL 0
<0-999>
M The value of the main
charger grid bias mea-
sured with the drum sur-
face potential sensor is
displayed.
2
269 Drum surface potential
sensor output
(Latest value)
(High voltage)
ALL 0
<0-999>
M 2
Adjustment mode (05)
Code
Classi-
fication
Items
Func-
tion
Default
<Accept-
able
value>
RAM Contents
Proce-
dure