Mintenance; User Maintenance; Service Maintenance - Epson EPL-5700 Service Manual

EPL-7500

6.1 MINTENANCE

This section gives information necessary for maintaining the printer in its
optimum condition. Periodical user maintenance and service maintenance
are necessary in order to maintain high printing quality.
Maintenance items described in this section are divided into two
subsections: user maintenance and service maintenance.
Since toner cartridge and OPC drum are pre-installed on the printer, other
all consumables belong to user maintenance.

6.1.1 User Maintenance

Table 6-1. Instructions for User Maintenance
Item Occasion
Paper Feed Roller Abnormal paper path
Toner Cartridge Approximately 3000
Exchange sheets (Consecutive
printing*)
Drum Cartridge Approximately 20000
Exchange sheets (Consecutive
printing*)
Note*) In case of intermittent printing, its occasion is 80% of consecutive
printing.
Rev. A
Procedure
Clean the surface of
paper feed roller with soft
cloth damped with water.
(Do not use alcohol)
Refer to User's manual.
Refer to User's manual.

6.1.2 Service Maintenance

Following maintenance should be done by qualified repair service men.
Table 6-2. Instructions for Service Maintenance
Parts. Unit Occasion
Transfer Roller* Abnormal symptom
(Approximately appear.
50000 sheets)
Fusing Unit* Abnormal symptom
(Approximately appear.
50000 sheets)
Paper Feed Roller Abnormal symptom
appear.
Note*) If you exchange the fusing roller, make sure to replace the transfer
roller too, since the life span of transfer roller and fusing unit are
same.
Chapter6 Maintenance
Procedure
Clean it or exchange it.
Clean it or exchange it.
Clean it or exchange it.
6-1