Ricoh FT8680 Service Manual page 199

SERVICE PROGRAM MODE
9
SP Adjustment – 4 (PAGE 6)
Item
Leading Edge
Registration Adj.
Leading Edge
Erase Adj.
Scanner Motor Gain
Adjustment
Side to Side
Registration
Adjustment (Platen)
Side to Side
Registration
Adjustment (ADF)
Side to Side
Registration
Adjustment (50%)
Side to Side
Registration
Adjustment (200%)
Adjustment Standards
Leading Edge Registration
Leading Edge Erase
Side to Side Registration
A171M529.img
Function
Changes the ON timing of the
registration clutch.
Changes the leading edge erase.
Factory use only.
Adjusts the lens horizontal stop
position. (Effective in platen mode.)
Adjusts the lens horizontal stop
position. (Effective in ADF)
Adjusts the lens horizontal stop
position. (Effective for 50%)
Adjusts the lens horizontal stop
position. (Effective for 200%)
0 ± 2 mm/0 ± 0.08" (Platen/Full Size)
4 ± 3 mm/0.16" ± 0.12" (50 ~ 150%)
6 ± 3 mm/0.24" ± 0.12" (151 ~ 200%)
0 ± 2 mm/0 ± 0.08" (Platen/Full Size)
0 ± 4 mm/0 ± 0.16" (ADF)
0 ± 3 mm/0 ± 0.12" (Platen/200%)
0 ± 2 mm/0 ± 0.08" (Platen/150%)
Range
± 16
4-22
1 July 1995
Change/
+
Step
Approx. Delay paper
1 mm feeding
Approx. Widen erase
1 mm width
— —
Rear side
0.35
mm