System SP Table-2
SM Appendix 4-19 D009/D011/D012/D013/D091/D092
Appendix:
Service
Program
Mode Tables
4.2 SYSTEM SP TABLE-2
4.2.1 SP2-XXX: DRUM
2001*
Charge Bias
001
Setting (Copying)
[1000 to 2000 / 1500 / 10 V]
Adjusts the voltage applied to the charge roller for copying.
002
Setting (P Pattern)
[0 to 700 / 250 / 10 V]
Adjusts the voltage applied to the charge roller when making the VSDP ID
sensor pattern (for charge roller voltage correction). The actual charge roller
voltage is this value plus the value of SP2001-1.
2005* Bias Control
001
Bias Correction 1
[0.1 to 1 / 0.85 / 0.05 step]
Adjusts the lower threshold value for the charge roller correction.
When the value of VSDP/VSG is greater than this value, the charge roller
voltage increases by 30 V (e.g., from –500 to –530).
002
Bias Correction 2
[0.1 to 1 / 0.9 / 0.05 step]
Adjusts the upper threshold value for the charge roller correction.
When the value of VSDP/VSG is greater than this value, the charge roller
voltage decreases by 30 V (absolute value).
003
Bias Adjustment 1
[1000 to 2000 / 1500 / 10 vol]
Adjusts the lower limit value for charge roller voltage correction.
004
Bias Adjustment 2
[1000 to 2000 / 2000 / 10 vol]
Adjusts the upper limit value for charge roller voltage correction.
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