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June 2005 © TOSHIBA TEC e-STUDIO281c/351c/451c PREVENTIVE MAINTENANCE (PM)
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4. PREVENTIVE MAINTENANCE (PM)
4.1 PM Support Mode
4.1.1 General description
The timing for the parts replacement usually depends on the number of output pages / develop counts
after they were replaced before. However, the life span of them changes depending on the general use
of users and the environment in which the equipment is placed. Therefore, it is necessary to consider
not only the number of output pages but also the drive counts when deciding the timing for the parts
replacement in order to utilize the parts and materials effectively.
In addition, the drum rotates 4 times at color modes to transfer the images of 4 colors on the transfer
belt, overlaying one after another. Therefore, the number of output pages is counted as “4” for 1 page
for printing at color mode.
This equipment has the PM support mode, which makes it possible to see the general use of each part
(the number of output pages, develop counts and drive counts) and replacement record and to do a
counter clearing operation more efficiently when replacing.
The replacement record can be printed out in the list printing mode (9S-103).
4.1.2 Operational flow and operational screen
[ 1 ] Operational flow
Fig.4-1
PM support mode activated
[6]+[START]+[POWER]ON
Main screen
Main unit list displayed
Sub screen
Sub unit list displayed
Clear screen
Counter clear
confirmation displayed
Counter clear performed
[RETURN]
pressed
[CANCEL] pressed
[RETURN] pressed
[CANCEL]
pressed
[INITIALIZE]
pressed
Clear finished
Clear finished
[2]
Main unit chosen
[SUB UNIT] pressed
Main unit chosen
[RESET]
[START]
Sub unit chosen
[RESET] pressed