CLEANING/TONER RECYCLE UNIT
3-I-2
3 DIS./ASSEMBLY
[2] Removing and Reinstalling the Toner
Guide Roller (TGR)
Caution:
Be sure the power cord has been
unplugged from the wall outlet.
Caution1: Be sure to replace the following parts
at the same time:
• Cleaning blade
• Toner guide roller
Caution2: Do not touch the edges of the clean-
ing blade with bare hands.
Caution3: When reinstalling the cleaning blade,
apply setting powder to the entire
surface of the drum and cleaning
blade regardless of whether the
parts are new or old.
Caution4: When reinstalling the toner guide
roller, apply setting powder to the
toner guide roller evenly. Apply with
the toner guide roller removed from
the drum unit.
Caution5: Do not touch the toner guide roller
brush with bare hands. Also, do not
directly contact the rollers to any
object.
Caution6: After replacing the toner guide roller,
be sure to apply electricity lubricant
on the edge of the guide roller shaft
(on power supply pin side).
Caution7: When installing a toner guide roller,
be sure to enter mode 25 and select
"Copy Count by Parts to be
Replaced" to reset toner collection
roller assembly counter.
a. Procedure
(1) Remove the drum unit. (See "DRUM UNIT.")
(2) Remove the charging corona unit. (See
"CHARGING CORONA UNIT.")
(3) Remove the cleaning blade.
(4) Release the power supply pin in contact with the
toner guide roller shaft.
(5) Remove the stop ring.
(6) Remove the cleaner idle gear.
(7) Remove the screws securing the front and rear
positioning parts.
4
4
MODEL MANUAL REVISED EDITION DATE PAGE METHOD
SERVICE MANUAL Dec. 2003
7155/7165/7255/7272
3-I-2 REPLACEMENT
4
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