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Ricoh D158 - Page 485

Ricoh D158
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Main SP Tables-2
SM Appendix 3-27 D158/D159/D160/D161/D170
Appendix:
Service
Program
Mode Tables
2302 [Transfer Switch Timing] (D158/D159)
001
Lead Edge *ENG
[-10 to 10 / 0 / 1 mm / step]
Sets to change the image transfer electric current position that is based on the
FGATE assert.
002
Trail Edge *ENG
[-10 to 10 / 0 / 1mm / step]
Sets to change the image transfer off position that is based on the FGATE
negation.
2303 [Transfer Roller Cleaning Bias] (D158/D159)
001
Positive *ENG
[0 to 20 / 10 / 1 uA / step]
Adjusts when backside contamination occurred that is caused by reverse
polarity toner on the transfer roller or weak charging toner on the drum.
002
Negative *ENG
[0 to 20 / 4 / 1 uA / step]
Adjusts to improve the toner cleaning performance adhered on the transfer
roller due to paper jamming etc…
2401
[Special mode in low image] (D158/D159)
-
001
Special mode in low image *ENG
[0 to 3 / 0 / 1 / step]
Switches the special mode in low image On / Off.
002
Deterioration Threshold *ENG
[0 to 200 / 21 / 1 cm^2/m / step]
Threshold of image area per running distance to determine the degree of
degradation.
003
Deterioration Coveraeg Sum *ENG
[0 to 30000 / 0 / 1cm^2 / step]
Accumulates the difference between the image area of the actual image
forming operation and threshold (x running distance) set by SP2-401-002.

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