User`s manual

EPSON
SEWI&* PRODUCT SUPPORT BULLETIN
DATE:
11 November, 1987
SUUJECWGQ-3500 PREVENTATIVE MAINTENANCE AND TROUBLESHOOTING
NUMBER:
P-0014
This bulletin is intended to supplement the GQ-3500 Users
Guide to maintain high quality copy.
Symptoms of degraded print quality can be manifested in many
ways, however,
only problems which can be resolved with simple
cleaning or replacement of consumables will be addressed in this
bulletin.
OPERATIONAL CHARACTERISTICS
The GQ-3500 processing unit functions virtually the same
as an ordinary copier and contains many of the same components
The components discussed will include:
1. Print Drum (converts the laser scan into a latent
image
2. Developer Unit
4
and applies the image to the paper)
applies
the toner onto the drum
latent image)
3. Collector Unit (cleans and prepares the drum for the
next image scan)
4. Charge Corona (prepares the drum for the next image,
located in the collector unit)
5. Transfer Corona (assists in applying the image to the
paper,
located directly under the drum)
1.
PRINT DRUM
3. COLLECTOR UNIT
5. TRANSFER CORONA
UNIT
EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505