Specifications

EPL-7500 Chapter6 Maintenance
Rev. A
6-1
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 Procedure
Paper Feed Roller Abnormal paper path Clean the surface of
paper feed roller with soft
cloth damped with water.
(Do not use alcohol)
Toner Cartridge
Exchange
Approximately 3000
sheets (Consecutive
printing*)
Refer to User’s manual.
Drum Cartridge
Exchange
Approximately 20000
sheets (Consecutive
printing*)
Refer to User’s manual.
Note*)
In case of intermittent printing, its occasion is 80% of consecutive
printing.
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 Procedure
Transfer Roller*
(Approximately
50000 sheets)
Abnormal symptom
appear.
Clean it or exchange it.
Fusing Unit*
(Approximately
50000 sheets)
Abnormal symptom
appear.
Clean it or exchange it.
Paper Feed Roller Abnormal symptom
appear.
Clean it or exchange it.
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.