Toshiba e-STUDIO520 Service Handbook page 72

Classi-
Code
fication
260 Image Contrast voltage open-loop
quality control RMS value display
control
261 RMS value display of
development contrast volt-
age
262 Image Background potential RMS
quality value display
control
263-0 Image RMS value
quality display of
control open-loop
control
(Laser power
initial value)
263-1
264-0 Image Laser power
quality RMS value
control display
264-1
265-0 Image Number of
quality times of
control image quality
closed-loop
control correc-
tion
265-1
268 Image Drum surface potential
quality sensor output
control (Latest value)
(Low voltage)
269 Drum surface potential
sensor output
(Latest value)
(High voltage)
e-STUDIO520/523/600/603/720/723/850/853
ERROR CODE AND SELF-DIAGNOSTIC MODE
Adjustment mode (05)
Func-
Items
tion
ALL
ALL
ALL
1st laser ALL
2nd laser ALL
1st laser ALL
2nd laser ALL
Develop- ALL
ment con-
trast
voltage
correction
Laser ALL
power cor-
rection
ALL
ALL
2 - 46
07/11
Default
<Accept-
RAM
able
value>
250 M The default value of
<0-999> development contrast
potential is displayed.
300 M The RMS value of devel-
<0-999> opment contrast poten-
tial is displayed.
100 M The RMS value of the
<0-999> background potential is
displayed.
[Unit: V]
Refer to M The RMS value of the
contents laser power calculated in
<0-1500> the open-loop control is
displayed.
[Unit: µW]
<Default value>
e-STUDIO520 /
e-STUDIO600 /
e-STUDIO720: 665
e-STUDIO850: 304
304 M The RMS value of the
<0-1500> laser power calculated in
the open-loop control is
displayed.
[Unit: µW]
* Valid only for
e-STUDIO850
Refer to M The RMS value at the
contents regular operation is dis-
<0-1500> played.
[Unit: µW]
e-STUDIO520/523/600/
603/720/723: 665
e-STUDIO850/853: 304
304 M The RMS value at the
<0-1500> regular operation is dis-
played.
[Unit: µW]
* Valid only for
e-STUDIO850/853
0 M The number of times of
<0-99> the development con-
trast voltage correction
performed is displayed.
0 M The number of times of
<0-99> laser power correction
performed is displayed.
0 M The value of the main
<0-999> charger grid bias mea-
sured with the drum sur-
face potential sensor is
displayed.
0 M
<0-999>
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