Toshiba 2460 Service Handbook page 14

1.2.4 Adjustment mode (05)
In this mode, the following adjustment items can be corrected or changed. To access this code, turn on
the power while pressing the "0" and "5" keys.
Code Adjustment
200 Auto-toner automatic adjustment
201 Auto-toner manual adjustment
205 Developer bias, DC adjustment
210 Grid voltage initial value adjustment
220 Transfer, DC output, High, adjustment
221 Transfer, DC output, Center, adjustment
222 Transfer, DC output, Low, adjustment
230 Separation, AC output, High, adjustment
231 Separation, AC output, Center, adjustment
232 Separation, AC output, Low, adjustment
240 Pre-Cleaning Discharge, AC output adjustment
261 Laser power, 600 dpi, initial value adjustment
304 Scanner secondary scanning reproduction ratio Standard PPC 128
305 Scanner secondary scanning deviation
306 CCD primary scanning deviation
310 Halogen lamp light on voltage setting
313 Original leading edge image deletion
314 Original leading edge image deletion
(Note 1): Refer to 1.3.
(Note 2): Functional with the developer unit removed and the service jig attached. However, the jig is not necessary for the devel-
oper bias adjustment. Refer to 1.9.
September 1997 © TOSHIBA CORP.
Initial
Mode Allowance
value
ALL – – • Increasing the value increases
the sensor output.
• The output is set in the range
of 2.35~2.45V automatically
after changing the value and
2 minutes after starting this
mode.
ALL 128 0~255 The auto toner sensor adjust-
ment value can be displayed.
ALL 174 0~255 The transformer output is aug-
ALL 114 0~255 mented by increasing the value
ALL 125 0~255 by "1".
ALL 75 0~255
ALL 75 0~255
ALL 156 0~255
ALL 156 0~255
ALL 62 0~255
ALL 142 0~255
ALL 58 0~255
0~255 If the value is increased by "1",
the reproduction ratio of the
paper feeding direction is en-
larged by approx. 0.1522%.
ALL 135 85~171 If the value is increased by "1",
the image shifts approx. 0.1213
mm to the trailing edge of the
paper.
ALL 85 5~251 If the value is increased by "1",
the image shifts approx. 0.0423
mm to the front side.
ALL 55 50~70
Standard PPC 128 128~255 If the value is increased by "1",
the leading edge void is enlarged
by approx. 0.1213 mm for a
standard copy.
Extended PPC 128 128~255 If the value is increased by "1",
the leading edge deletion is en-
larged by approx. 0.1213 mm
for a special function copy.
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Operation
Contents procedure
group
(Note 1)
2
2
(Note 2)
2
1
1
1
3
1
1
2460 ADJUSTMENT