Covers Interlock Symptom Table; Duplex Unit Symptom Table - Lexmark Optra C710 Service Manual

5016-001
Symptom
Print quality - Random marks.
Print quality - Toner on backside of
printed page.
Print quality - Vertical black bands
on edge of copy.

Covers Interlock Symptom Table

Symptom
Close Door displays when all
covers are not properly latched.

Duplex Unit Symptom Table

Symptom
Paper feed problem with duplex.
Paper jams at paper removal tray.
Paper skews in the duplex option.
Paper fails to pass from lower
option through the duplex option.
Action
Go to "Random Marks Service
Check" on page
Go to "Toner on Backside of Page
Service Check" on page
Go to "Black, Color Lines or
Bands Service Check" on
page 2-83.
Action
Go to the "Cover Interlock Service
Check" on page
Action
Go to the "Duplex Unit Option
Service Check" on page
Diagnostic Information
2-90.
2-91.
2-45.
2-120.
2-29