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Diagnostic Information 2-29
5016-001
Covers Interlock Symptom Table
Duplex Unit Symptom Table
Print quality - Random marks. Go to “Random Marks Service
Check” on page 2-90.
Print quality - Toner on backside of
printed page.
Go to “Toner on Backside of Page
Service Check” on page 2-91.
Print quality - Vertical black bands
on edge of copy.
Go to “Black, Color Lines or
Bands Service Check” on
page 2-83.
Symptom Action
Close Door displays when all
covers are not properly latched.
Go to the “Cover Interlock Service
Check” on page 2-45.
Symptom Action
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.
Go to the “Duplex Unit Option
Service Check” on page 2-120.
Symptom Action