March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 ERROR CODE AND SELF-DIAGNOSTIC MODE
2 - 49
2
401 Laser Fine adjustment of polygo-
nal motor rotation speed
(adjustment of primary
scanning direction repro-
duction ratio)
PRT 128
<0-255>
M When the value
increases in increments
of "1", the reproduction
ratio of the primary scan-
ning direction increases
as follows:
e-STUDIO520,
e-STUDIO600,
e-STUDIO720: 0.3 mm/
step
e-STUDIO850: 0.1 mm/
step
1
405 PPC 128
<0-255>
M 1
408 Laser Secondary scanning laser
writing start position adjust-
ment
(All)
ALL 40
<0-80>
M When the value
increases by "1", the
image shifts approx. 0.4
mm to the trailing edge
side of the paper.
1
409 Drive Fine adjustment of drum
motor rotation speed
FAX 128
<0-255>
M 1
410 Laser Adjustment of primary
scanning laser writing start
position.
PPC 128
<0-255>
M When the value
increases by “1”, the writ-
ing start position shifts to
the front side by approx.
0.0423 mm.
1
411 PRT 128
<0-255>
M 1
412 Drive Fine adjustment of regis-
tration motor rotation
speed
FAX 128
<0-255>
M 1
421 Drive Adjustment of secondary
scanning direction repro-
duction ratio
(fine adjustment of main
motor speed)
PPC/
PRT
128
<0-255>
M When the value
increases by “1”, the
reproduction ratio of sec-
ondary scanning direc-
tion increases by approx.
0.04%.
1
422 FAX 139
<0-255>
M 1
424 Drive Fine adjustment of exit
motor speed
PPC/
PRT
107
<0-255>
M When the value
increases by “1”, the
rotation becomes faster
by approx. 0.05%.
1
425 FAX 121
<0-255>
M 1
426 Drive Fine adjustment of trans-
fer belt motor rotation
speed
FAX 128
<0-255>
M 1
427 Drive Fine adjustment of fuser
roller rotation speed
FAX 128
<0-255>
M 1
428 Laser Secondary
scanning
laser writing
start position
adjustment
4th drawer ALL 20
<0-40>
M When the value
increases by "1", the
image shifts approx. 0.4
mm to the trailing edge
side of the paper.
1
429 Tandem
LCF
ALL 20
<0-40>
M 1
Adjustment mode (05)
Code
Classi-
fication
Items
Func-
tion
Default
<Accept-
able
value>
RAM Contents
Proce-
dure
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