Kyocera Ecosys FS-6700 Service Manual page 20

Chapter 6 T R O U B L E S H O O T I N G
6.1 Board layouts, page 6-2
Liaison board KP-620, page 6-2
Scanner interface board KP-622, page 6-3
Connect board connector/KP-616, page 6-3
Fuser board KP-505/YC-721, page 6-4
6.2 Overall wiring diagram, page 6-5
6.3 Diagnostic, page 6-6
Engine diagnostics flow, page 6-7
Logic controller diagnostics flow, page 6-8
6.4 General error handling, page 6-9
Priority, page 6-9
6.5 User-recoverable errors, page 6-11
Memory card errors, page 6-13
6.6 Service errors, page 6-15
E0-Communication error, page 6-16
E1-Main motor error, page 6-16
E2-Laser scanner motor error, page 6-21
E3 - Laser beam detection error, page 6-25
E4 - Fuser heater error, page 6-28
E5-Eraser error, page 6-30
ED-Flash ROM error, page 6-31
E9 - Toner motor error, page 6-31
F0 - Front control panel error, page 6-32
F1 - System ROM error, page 6-32
F2 - Main memory error , page 6-32
F3 - General failure , page 6-32
False error-Feed unit cover open, page 6-32
6.7 Print quality problems, page 6-37
Completely blank printout, page 6-37
All-black printout, page 6-37
Dropouts, horizontal streak, black dots, page 6-37
Black vertical streaks, page 6-38
Unsharp printing, page 6-38
Grey background, page 6-38
Dirt on the top edge or back of the paper, page 6-39
Incorrect printing registration, page 6-39
Checking cassette size sensors, page 6-40
Drum cleaning, page 6-40