EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Maintenance Overview 375
6.1.1 Product Life Information
Periodic Maintenance Items
There is no part or component which should be replaced periodically before the
printer itself reaches its end of life indicated below.
If the printer is kept on being used after reaching its end of life, it causes a service
call error calling for a replacement of a part before the part breaks down. (Except
the consumables such as the Maintenance tank and the cutter.)
Product Life
• Stylus Pro 7400/7800: 3,700,000 cycles of the carriage movement
• Stylus Pro 9400/9800: 6,300,000 cycles of the carriage movement
The table below shows the parts and units which causes the replacement requiring
error.
Life Information
The information on part life can be checked by the PRINTER STATUS menu in
the Panel Setting mode. Remaining amount of life is expressed in percentage
(“F*****E”). The life counters can be reset by the Adjustment Program.
C A U T I O N
Be sure to spread a sheet of paper or cloth on the work space
before removing any ink-path-related parts or components to
keep the space from being soiled with leaked ink.
Do not touch electrical circuit boards with bare hands as the
elements on the board are so sensitive that they can be easily
damaged by static electricity. If you have to handle the boards
with bare hands, use static electricity discharge equipment such
as anti-static wrist straps.
When the printer has to be operated with the covers removed,
take extra care not to get your fingers or clothes caught in
moving parts such as fans.
The cutter blade is razor-sharp. Be especially careful when
handling the cutter.
Carbide blade employed for the cutter blade is hard but brittle.
Be careful not to hit it against metal parts of the printer as it
can be easily damaged.
When the printer should be repacked for transportation after
being used, make sure to follow the steps below after turning
the power OFF.
1. Check that the print head is capped properly.
2. Remove the all ink cartridges.
3. Repack the printer using the packaging box, cushioning
materials and protective equipment indicated in the
“Unpacking and Setup Guide”.
Part Name Maintenance Call Service Call
CR Motor 0002 00000101
RTC backup battery TBD 00010023
Cleaning Unit 0040 0001002D
Pressure Pump Unit 0400 0001003F
W A R N I N G
Be careful not to mistakenly reset the life counters for the parts or
components which are not replaced or checked. Especially, the
waste ink counter “MAIN TANK” in the Adjustment Program
should NOT be reset. Doing so adversely affects the printer
operation and may result in ink leakage.
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