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PREVENTIVE MAINTENANCE (PM)
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* H6: Oil seal (Developer sleeve)
During replacement, coat the oil seal with grease (Alvania No.2) following the procedure below.
Also, when the developer sleeve is disassembled, clean the shaft and oil seal before coating the
oil seal with grease.
Developer sleeve 2 pc.
* H9: Auto-toner sensor
Clean the surface of the auto-toner sensor with a cotton swab or soft cloth with sufficient alcohol
filled in.
(1) Push in a new oil seal parallel to the
mounting hole section of the developer
frame.
* Pay attention to the direction in which the
oil seal is attached. (See figure on right.)
(2) Apply an even coat of grease to the inside of
the oil seal.
• Amount: a minute amount
(3) Wipe off any grease exuded from the inside.
Fig. 5-24
Outside
Inside
Developer frame
Grease
Oil seal
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