Ricoh D158 Service Manual page 485

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