5-33
Troubleshooting
Code Item Function
12 Not used
13 Black density sensor reference level ( Factory use only / Need special fixtures )
adjustment
( Factory use only )
14 Black density sensor output gain This adjustment should be performed when installing
adjustment the copier, cleaning/replace black density sensor or
replacing the drum.
Procedure :
a) Press the Print key
b) Adjustment value is automatically stored at F6-65
15 Not used
16 LCD touch panel key input position This adjustment is to compensate the LCD touch panel
adjustment detecting position corresponding key input.
17 ADU paper infeed positioning This function automatically adjusts paper guide
adjustment positioning. When “Print” is pressed, paper feeds into
the ADU and stops.
NOTE: Remove paper after this procedure.
18 - 20 Not used
(8) F9 Telephone# input
Set the copier to service mode and press Multi-Copy key “9”.
Press Print key.
Touch INPUT key on the touch panel display.
Input the telephone number.
Number: Multi-Copy key
Hyphen (–): Reset key
Space: Interrupt key
Carousal moving
to left side: A5 key of Original size
to right side: A5 key of Copy size
The OK key is touched, the new telephone number is now in memory.
Press Clear/Stop and User Preset key to escape service mode.
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