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SELF-DIAGNOSTIC MODE
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*5
Fully pull out the EPU tray toward you while the transfer belt remains. If it is not fully pulled out, the
drum shaft and the drum flange may scratch each other and thus the flange may be worn out.
*6
Follow the procedure below.
1. Pull the duplexing unit lever and then separate the transfer belt and the 2nd transfer roller.
2. Pull out the EPU (developer unit) tray until it comes to a stop while the transfer belt is left.
*: Pull out the EPU tray completely otherwise the transfer belt and the photoconductive drum
may scratch each other.
3. Insert a door-switch jig into the cover interlock switch on the left upper side of the fuser unit in
order not to turn the 24V power OFF.
*7
The procedure requires either of steps 1 and 2 below.
1. Pull out the EPU tray and then take off the transfer belt.
2. Pull out the duplexing unit lever and then separate the transfer belt and the 2nd transfer roller.
Insert a door-switch jig into the cover interlock switch on the left upper side of the fuser unit in
order not to turn the 24V power OFF.
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