Read Sharp MX-6240N / MX-7040N (serv.man29) Service Manual online
MX-7040N DISASSEMBLY AND ASSEMBLY 10 – 59
h. Primary transfer belt drive gear
1)
1)
Turn the coupling lock 90Åãto remove the primary transfer belt
drive gear.
drive gear.
(2) PTC unit
a. PTC cleaner B, PTC cleaner, Charger wire
1)
1)
Remove the front side cover of the PTC unit.
2)
Remove the PTC cleaner B, and remove the PTC cleaner.
CAUTION: When removing and installing, be careful not to catch
the PTC cleaner with the charger wire.
CAUTION: When installing the PTC cleaner B, check to confirm
that the pawl of the PTC cleaner is securely engaged.
CAUTION: After installation, check to confirm that the charger wire
is at the center of the cleaner pad.
3)
Remove the rear side cover of the PTC unit.
4)
Loosen the screw, and remove the round terminal of the
charger wire from the mounting plate. Remove the spring, and
remove the charger wire.
charger wire from the mounting plate. Remove the spring, and
remove the charger wire.
CAUTION: To handle the charger wire, hold the round terminal and
do not touch the wire section directly. Be careful to keep
the wire free from dirt, oil, or twist and bend.
the wire free from dirt, oil, or twist and bend.
(3) Registration sensor unit
a. Image registration/Density sensor
1)
1)
Open the shutter, and clean the image registration and the
density sensor.
density sensor.
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