Service manual

Service Manual 8-19
FRU Disassembly/Assembly 8
Drum
1. Power down the printer and remove the power cord. Open the top access
cover and remove the transfer roll.
2. Remove the left and right side panels. Refer to the earlier topic “Printer
cabinet panels” on page 8-3.
3. Loosen the drum belt tensioner set screw. Push the tensioner to loosen the
drive belt and then tighten the set screw to hold the belt in its loosened
position.
4. Remove the drum belt from the drum pulley.
5. Use a 2 mm hex wrench to loosen the two set screws securing the drum pulley
in place. Remove the drum pulley, spring and washers. Also, remove the
drum shaft's brass bushing. (For reassembly, note the two keyed portions of
the drum shaft that the drum pulley's set screws tighten into.)
Tools required
n #1 POSIDRIV® screwdriver n Needle-nose pliers
n Small flat-blade screwdriver n 2 mm wrench
Figure 8-16 Removing the drum belt and pulley
Drum belt
tensioner
3
4
5 Setscrews
8699-32A
Drum gear
Drum belt
tensioner
For reassembly,
tighten this set screw first
into its countersunk hole.