5-27
Troubleshooting
Code Item Function Remarks
54 Registration void of image Adjustment of registration
0.425mm
(During use with ADF = NO void.
(FP-7850/7818)
swing back condition)
0.375mm (FP-7845)
0.525mm
(FP-7835/7830/7824)
(0 to +99)
55 Original stop position Adjustment of original stop 0.4mm with A888
(2 in 1 mode) position from original guide (–32 to +32)
(FA-A888) plate
56 Original interval Adjustment of original 0.7mm with A888
(2 in 1 mode) (FA-A888) interval timing (–16 to +8)
57 Registration width guide Adjustment of registration 0.39mm (Except FP-7818)
standard position (Duplex) width guide position (–10 to +10)
58 Registration length guide Adjustment of registration 0.31mm (Except FP-7818)
standard position (Duplex) length guide position (–12 to +12)
59 Not used
60-61 Not used
62 Toner density sensor gain
Adjustment of toner
0.033V
voltage
density
sensor gain voltage. (–5 to +5)
63 Limitation of maximum copy Selection of maximum 0 to 99
number copy number of continuous
copy mode
64 Not used
65 Black density sensor Reference voltage for –99 to +99
reference voltage black density sensor
compensation
66 Black density sensor output Compensate value for –99 to +99
gain/compensation
black density sensor
output
67 Copy density rank Adjust copy density rank –99 to +99
adjustment change for photo mode
(P mode light side) (Light side)
68 Copy density rank Adjust copy density rank –99 to +99
adjustment change for photo mode
(P mode dark side) (Dark side)
69 Not used
70 LCD contrast adjustment Reference voltage –46 to +18 (FP-7850/7845)
adjustment for LCD 60mV
contrast
71 Coordinates compensation Coordinates compensation –50 to +50 (FP-7850/7845)
for touch panel (X1) value (X1 point) 0.5mm
72 Coordinates compensation Coordinates compensation –99 to +99 (FP-7850/7845)
for touch panel (Y1) value (Y1 point) 0.5mm
73 Coordinates compensation Coordinates compensation –50 to +50 (FP-7850/7845)
for touch panel (X2) value (X2 point)
74 Coordinates compensation Coordinates compensation –99 to +99 (FP-7850/7845)
for touch panel (Y2) value (Y2 point)
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