SERVICE PROGRAM MODE 10 August, 2001
4-18
2
Mode Number/Name Function/[Setting]
101* 10 Printer, Rear Trailing
Edge
In printer mode, adjusts the trailing edge erase margin
on the reverse side of duplex copies.
The actual trailing edge erase margin on the reverse
side is this value plus the value of SP2-101-7.
The specification is 3
±
2 mm. See “Replacement and
Adjustment - Copy Adjustment” for details
[0.0 ~ 9.0 / 0.0 / 0.1 mm/step]
LD Power Adjustment103*
Adjusts the LD power. DFU
Do not change the value.
[50 ~ 170 / 129 / 1/step]
Test Mode dpi110*
Sets the scanning resolution (dpi). DFU
[See below / 8 / 0~18]
0: 400x400 dpi 1: 391x406 dpi
2: 406x391 dpi 4: 300x300 dpi
8: 600x600 dpi 15: 439x430 dpi
16: 476x476 dpi 17: 483x465 dpi
18: 465x483 dpi
Development Bias Adjustment
1 Printing Adjusts the development bias during printing.
This can be adjusted as a temporary measure if faint
copies appear due to an aging drum.
[–1500 ~ 2000 / –650 / 1 V/step]
201*
2 ID sensor pattern Adjusts the development bias for making the ID sensor
pattern.
The actual development voltage for the ID sensor
pattern is this value plus the value of SP2-201-1.
This should not be used in the field, because it affects
ID sensor pattern density, which affects toner supply.
[0 = N (200V) / 1 = H (240V) / 2 = L (160V) / 3 = HH
(280V) / 4 = LL (120V)]
Bias Off Time
1 Charge Bias Adjusts the charge voltage (-1200V) application time.
DFU
When the charge voltage and development bias are
turned off at the same time, toner or carrier will be
attracted to the drum. To reduce the toner or carrier
attraction, the machine applies –1200V to the charge
roller before the development bias is turned off. This
SP adjusts the time for applying the charge.
[0 ~ 150 / 80 / 1 ms /step]
210*
2 Development Bias Adjusts the development bias off time.
DFU
[-120 ~ 120 / 0 / 1ms/step]
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