3. PERIODIC CHECK
30
Field Service Ver.2.0 Mar. 2009
bizhub 501/421/361
3.6.2 Replacing the drum
Note
• Be sure to avoid touching the drum and the cleaning blade with bare hands, and also be careful
not to damage them.
• When storing the drum, be sure to store it in the dark place with a drum cover attached.
• When installing the drum and the cleaning blade, be sure to apply setting powder to the circumfer-
ence of the drum and the cleaning blade, regardless of these parts being new or used ones.
• When setting powder is applied to the drum, be sure to conduct the following operations before
installing the drum unit to the main body.
1) With the charging corona unit removed, rotate the drum one full turn (to prevent setting powder
from splashing onto the charging corona unit and the image from getting defective.)
2) When installing a new drum, be sure to reset the drum counter in the service mode. Failing to
reset it may result in image fogging and toner splashing. (See P.208)
A. Periodically replaced part/cycle
• Drum : Every 250,000 prints *1
: Every 225,000 prints *2
*1 501/421
*2 361
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