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CLEANING/TONER RECYCLE UNIT
CLEANING/TONER RECYCLE UNIT
[1] Removing and Reinstalling the Cleaning Blade
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 (TGR) Caution2: Do not touch the edges of the cleaning blade with bare hands. Caution3: When reinstalling the cleaning blade when the humidity is high (80% or more), apply setting powder to the entire surface of the drum and cleaning blade regardless of whether the drum and cleaning blade are new or old. Caution4: When you have applied setting powder to the drum, perform the following before installing the drum unit on the main body: 1) To ensure accurate toner concentration, wipe scattered setting powder off the γ sensor and Dmax/JAM sensor on the toner control sensor board with a rag moistened with alcohol. 2) With the charging corona unit and developing unit removed, turn the drum once (to prevent setting powder from scattering onto the charging corona unit, and to prevent image defects). Procedure Remove the drum unit. (See "DRUM UNIT.") Remove the charging corona unit. (See "CHARGING CORONA UNIT.") Remove the developing unit. (See "DEVELOPING UNIT.") Remove two screws to remove the cleaner cover. Screws (5) Check that the blade fixing component is released. If it is not, release it referring to"DRUM UNIT."
Released position Screw
Blade fixing component
(6) Remove the blade support bearing to remove the cleaning blade. Cleaning blade
a. (1) (2) (3) (4)
Blade support bearing (7) Reinstall the above parts following the removal steps in reverse. Caution: After replacing the cleaning blade, be sure to perform Blade Setting Mode Adjustment in the 36 mode. (To prevent the blade from peeling.)
