Installation guide

INSTALLATION GUIDE
32
5.9 ATDC Adjustment
When replacing the developer unit or replacing the developer starter, it is necessary to adjust the
calibration of the ATDC sensor before using the printer.
Note: The developer unit comes supplied with four (4) packages of developer starter. Two (2)
packages are used for the initial charge, and the remaining two (2) packages are to be replaced
at the 400K interval.
1. Open front door and bypass front door Interlock
switch with Interlock switch Jig.
2. Set the Remote/Maintenance switch (Figure 5-27)
to Maintenance.
3. Press the Power switch.
¾ Press [ Off-Line]
¾ [ Maintenance]
¾ [ Service]
¾ [ Adjustment]
¾ [ Starter Adjustment]
¾ [ Enter]
¾ [Are you sure?]
¾ [Yes]
4. The print engine will begin turning and the display
will indicate “Adjust within 3 minutes.” The printer
is now ready for ATDC calibration.
5. Adjust the developer unit potentiometer
(Figure 5-26) until both the Green and Yellow
LED indicators are completely OFF.
6. The ATDC adjustment mode will continue to run for
approx. (3) three minutes and turn off.
7. If the ATDC adjustment has not been accomplished
by the time the mode has completed (3 minutes),
the ATDC adjustment mode will have to be
restarted.
Note: If you rotate the potentiometer counter
clockwise, the green LED will turn off. If
you rotate the potentiometer clockwise, the
yellow LED will light up.
Note: If you rotate the potentiometer clockwise
the yellow LED will turn off. If you
continue to rotate the potentiometer
clockwise the green LED will light up.
8. Turn off the printer power and remove the front
door interlock switch jig.
Figure 5-26
Figure 5-27
TRIMMER VOLUME
GREEN LED YELLOW LED
0 1 2 3 4 5 6
REMOTE
MAINT