Mita-Kyocera FS-6900 Service Manual PART3
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The table below shows the nominal life expectancy for modules. Detailed part information for
each module (except toner containers) can be found in chapter 7,
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TK-20 Toner container 10,000 User replaceable
TK-20H Toner container 20,000 User replaceable
DK-25 Drum unit 300,000
DV-25 Developer unit 300,000
FK-25 Fuser kit 300,000
FE-25 Feed unit 300,000
MK-25 Refurbishment kit 300,000 Includes a DK-25, DV-25, FK-25, and a
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feed-trans. unit
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The toner container is the only consumable that the printer requests replacement during normal
operation (user-replaceable). The following toner container is available for use with model FS-
6900.
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TK-20 10, 000 One
TK-20H 20,000 One
a. Based on letter or A4 size pa pe r ; av e r ag e pr int density of 5%.
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The printer gives two steps of user attention as explained below. The first one is the warning
that the toner is almost run out. This is the earliest chance for the user to replace the toner container and clean various parts inside the printer (See section Cleaning the printer on page 3-5):
Toner low TK-20 Clean printer
If the user continues to use the printer, the printer will print approximately 50 pages (A4 or Letter size paper, 5 % average toner d ensity), eventu ally the ton er sup ply being ex hausted at which
point the printer will stop printing and th e following message will be displayed:
Replace Toner Clean printer
This instructs to install a new toner kit to bring the printer back in normal operation. Cleaning
various parts inside must be also done in this occasion (See section Cleaning the p rinter on page
3-5).
To replace the toner container, proceed as follows:
Pull the toner container release lever to right as shown.
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Then, refer to page 2-3,
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, to install the new toner container. After installing the
new toner container, several parts in the printer must be cleaned as instructed on page 3-5,
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If the toner container has been replaced when the message
Replace Toner Clean printer
was displayed, the message
Clean printer.. press CONTINUE
will be displayed after replacement. After cleaning the inside of the printer following the procedure shown below, press the
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ready for printing.
The printer can get ready for printing after 15 to 30 seconds since the toner container is
replaced.
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Locate the new waste toner bottle in the toner kit, and install in the printer according to page 25,
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Note that the printer has a sensor that monitors the presence of the waste toner bottle. The
printer does not operate without a bottle installed.
key; the message will disapp ear and the pr int er will be
For the reference, the waste toner bottle can hold up to approx . 100 g of waste toner. The nominal amount of waste toner derived after 10,000 pages have been printed is 20 to 30 g (Letter or
A4 size paper; average toner density of 5 %).
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The
EcoPrint
feature enables to reduce the amount of toner consumed on the page so as to save
printing costs by drastically extending th e toner container life. EcoPrint mode is factory-set to
off and turned on by the printerís front control panel (also accessible through the application
software with the assistance of the printer driver). See details in the Mode Select Menu roadmap
in chapter 2.
The
EcoPrint
setting has no effect on the print speed.
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To avoid print quality problems, the following printer parts must be cleaned with every toner
container replacement.
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The main charger unit should be cleaned in its two parts—the wire and grid (See the picture
below.) - whenever the toner container is changed. Cleaning of the main charger can be done
without needing any tools thanks to its se lf-cleanin g system.
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To clean the main charger, first open the drum access door. Pull the cleaning knob (green)
slowly in and out a few times. This pulls a cleaning pad in side the drum unit along the wire.
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Then, clean the grid using the grid cleaner supplied with the toner kit.
Take the grid cleaner from protective bag in the new toner kit, and remove the cap.
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The grid cleaner pad is impregnated with water. Perform the following cleaning procedure
before the pad dries.
Attach the grid cleaner to the printer with the pad uppermost, as shown in the diagram below.
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When the grid cleaner is properly fit, grasp the green part of the main charger, lift it slightly, and
pull outwards. Repeat the above for approx. five times. The wet part of the grid cleaner cleans
the grid of the main charger unit (bottom).
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