Mita-Kyocera FS175375 Life expectancy of modules

Maintenance

Chapter Three

MAINTENANCE/ADJUSTMENTS

3-1

FS-1750/FS-3750 Series

Chapter Three

Life expectancy of modules 3-3

Toner containers 3-4

Toner container replacement 3-4
Waste toner bottle 3-5
Toner saver mode (EcoPrint) 3-6

Cleaning the printer 3-7

Main charger unit 3-7
Paper Feed Unit 3-11

Replacing the developer 3-12

Shipping the developer unit 3-12
Feeding toner into the new developer 3-13

Updating the engine firmware 3-14

Engine/front panel data format 3-15
Downloading data from the parallel interface 3-16
Downloading data from a memory card 3-16
Downloading errors 3-17

Setting the paper type 3-18

Cassette, media type and custom settings 3-18

CONTENTS 3-1

Life expectancy of modules

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,
Parts Catalog.

Maintenance

Life expectancy of modules

Module Nominal

Toner container 10,000 TK-20
Toner container 20,000 TK-20H
Drum unit 300,000 DK-23 DK-24
Developer unit 300,000 DV-20
Fuser unit
Main charger unit

Refurbishment kit

1

life

(pages) FS-1750 FS-3750

300,000
300,000

300,000 MK-23 MK-24

FK-23
FE-23

Model

←
←

←

FK-21

←

1

Includes DK, DV, FK kits, and a feed-transfer unit.

3-3

FS-1750/FS-3750 Series

Toner containers

The toner container is the only consumable that the printer requests replacement
during normal operation (user-replaceable). The following toner containers are
available for use with models

-1750 and FS-3750.

FS

Maintenance

Toner containers

Model Life in pages* No. of waste toner bottles included

TK-20 10,000 One
TK-20H 20,000 Two
* Based on letter or A4 size paper; average print density of 5%.

Toner container replacement

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 3-7):

Toner low TK-20 Clean printer

If the user continues to use the printer, the prin ter will print approximately 50 pages
(A4 or Letter size paper, 5% average toner density), eventually the toner supply
being exhausted at which po in t the printer will stop printing and the following
message will be displayed:

Replace Toner Clean printer

This instructs to install a new toner kit to bring the printer back in nor mal operation.
Cleaning various parts inside must be also done in this occasion (See section

Cleaning the

printer on page 3-7).

To replace the toner container Œ, pull the toner container release lever • to right as
shown.

FS-1750/FS-3750 Series

3-4

Œ

Maintenance

Toner containers

•

Then, refer to section
container. After installing the new toner container, several parts in the printer must
be cleaned as instructed in section

Cleaning the

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 o f the printer
following the procedure shown below, press the
disappear and the printer will be ready for p r in ting.

The printer can get ready for printing approximately 15 seconds after replacing the
toner container.

Waste toner bottle

Locate the new waste toner bottle in the toner kit, an d install in the printer
according to section

Installing toner

printer on page 3-7.

Installing the new waste toner bottle

on page 2-4 to install the new toner

CONTINUE

key; the message will

on page 2-6.

Note that the printer has a sensor to monito r th e presence of the waste toner bottle.
The printer does not operate without a bottle installed.

3-5

FS-1750/FS-3750 Series

Maintenance

Toner containers

For the reference, the waste toner bottle can hold up to 100g of waste toner. The
nominal amount of waste toner derived after 10,000 pages have been printed is 20
to 30g (Letter or A4 size paper; average toner density of 5%).

Toner saver mode (

The EcoPrint enables to reduce the amount of toner consumed on the page so as to
save printing costs by drastically extending the toner container life. EcoPrint mode
is factory-set to off and turned on by the printer’s front control panel (also
accessible through the application software with the assistance of the printer driver).
See details in the

The EcoPrint setting has no effect on the print speed.

EcoPrint

Mode Select Menu

)

roadmap in chapter 2.

3-6

FS-1750/FS-3750 Series