2.6.4 Replacing the scavenging roller
PM cycle: Inspect every 200K. Replace
every 600K.
1. Remove the unit fixing screw and slide out the
cleaning unit.
2. Remove the filter cover, and remove the cleaning
carrier.
3. Remove the cleaning knob with the E-ring.
4. Remove the E-ring and drive gear from the
scavenging roller shaft.
5. Remove the other E-ring from the shaft, then take
off the two screws to remove the bearing case.
Pull out the scavenging roller to replace it if
required.
NOTE
If the scavenging roller is dirty, clean it.
6. Wipe off the internal air guide mylar with a dry
cloth.
7. Assemble in the reverse order.
NOTE
• Do not remove the doctor blade. If it is
removed, adjust the doctor gap to 2 ± 0.15 mm
after the cleaning carrier is cleaned from
between the doctor blade and the cleaning
roller, after the unit is divided into two parts.
(See Replacing the cleaning roller section)
• Clean the area near the scavenging roller
bearing thoroughly to remove any remaining
cleaning carrier.
Cleaning knob
Drive gear
Bearing case
Scavenging roller
Doctor blade
Cleaning roller
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