Ricoh FT6645 Manual page 221

23 April 1993
Item
Fusing Unit Thermistor
Stripper Pawls
Fusing Entrance and
Exit Guides
Duplex Unit Separation/Feed/
Transport Rollers
and Separation Belts
Others Ozone Filter
DJF Transport Belt
Pick-up Roller, Feed
Roller, Separation
Belt
RDH Transport Belt
Feed Roller
Separation Belts
PREVENTIVE MAINTENANCE SCHEDULE
If toner accumulates on the thermistor, fusing
temperature control may not be accurate. Clean the
thermistor at regular intervals.
Toner or dust adhering to the stripper pawls can
cause a paper jam. Clean or replace the pawls at
regular intervals.
Toner piling up on the guide plate will cause a dirty
background on the copy or paper jam. Clean the
guide plate at regular intervals.
If paper dust adheres to the separation/feed/transport
rollers and the separation belts, paper may not feed
correctly, or skewing may result. Replacement is
required at regular intervals.
When an ozone filter deteriorates, ozone produced in
the copier will not be absorbed, causing headaches,
irritations, or other discomforts. Replace at regular
intervals.
A dirty transport belt can leave stains on copies.
Replace the belt at regular intervals.
When dirty, these rollers and this belt can leave
stains on the copy paper. Also, original misfeeds or
multi-feeds may occur. Replace these parts at regular
intervals.
A dirty transport belt can leave stains on copies.
Clean or replace the belt at regular intervals.
When dirty, these rollers and these belts can leave
stains on the copier. Also, original misfeeds or
multi-feeds may occur.
Replace these parts at regular intervals.
4-67
Explanation