Repair Information 4-39
5055-01X
R Sub Frame Removal
Toner Remaining Sensor Removal
Drum Gear Sensor Removal
1. Open the top unit, and remove the RIP cover, RIP board, RIP
box, electronic box, printer controller, printer controller bracket,
and high voltage power supply board.
2. Remove the two screws from the sub frame R from inside of the
main unit.
3. Remove the screw and C-clip from the sub frame cover.
4. Remove the screw from the toner remaining sensor. A different
toner remaining sensor is used for each color.
5. Remove the screw from the drum gear sensor.
Note: Install the drum gear sensor to the colors specified.
• Yellow: Y-drum sensor assembly
• Black: K-drum sensor assembly
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