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Oki
Printer
C9800 Series
Oki C9800 Series
135 pages
Manual
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If paper is jammed in the fuser
unit, push the lock lever (3) in
the direction shown to rel
ease it
Caref
ully remo
ve any pap
er on
the belt
Holding the fuser uni
t (4) by the
handle, lift it out of t
he printer
and place it on
a flat surface
4
5
3
78
80
Table of Contents
Main Page
Table of Contents
2
Troubleshooting Print Quality
4
Troubleshooting Paper Jams
5
General Troubleshooting
6
Printer Maintenance Procedures
7
Service Maintenance Procedures
7
Cleaning the Printer
8
Cleaning the Imaging Unit Contacts
8
Cleaning Led Heads/Feed Rollers
9
Cleaning the LED Heads
9
Cleaning the Feed Rollers
9
Finisher Count
11
Resume Printing
13
Print Secure Job
14
Tray Configuration
14
System Adjust
15
Admin Setup
16
Print Statistics
18
Service Mode Menus
19
Service Diagnostics Controls
19
Accessing Service Mode
19
Accessing Motor & Clutch Test
20
Calibrating the Printer
26
Test Prints
47
Light Prints in All Colors
54
Light Print in Only One Color
55
Blank Prints
56
Mottled or Splotchy Prints
57
Unexpected Colors
58
Initial Actions
60
Random Spots
61
Incomplete Fusing or Cold Offset
64
Toner on Back of Print
67
Image Not Centered or Positioned Correctly
68
Imaging Unit
68
Troubleshooting Steps
68
Scan Direction Dark Streaks
71
Open Cover - Paper Jam – Tray X Side Cover
74
Open Cover - Paper Jam – Side Cover
76
Open Cover - Paper Jam – Top Cover
78
Paper Jam – Duplex Unit
84
Troubleshooting Self Diagnostic Codes
89
Self Diagnostic Error Codes (Printer)
89
Self Diagnostic Error Codes (Finisher)
95
Self Diagnostic Error Codes (Other Codes)
96
Printer Continually Displays "Warming Up" or "Initializing
97
Troubleshooting Ac Power Supply
97
Printer Does Not Appear to Operate at Power on
97
Control Panel Led Is On, no Control Panel Display
97
No Control Panel Display
97
Troubleshooting Ram Memory Failures
98
Paper Size Errors
98
Fuser Failure
99
Environmental Sensor Failure
100
Engine Control Board Failure
102
Lvps Power Supply Failure
103
Controller Fan Failure
104
Power Supply Fan Failure
105
Fan Failure
106
Duplex Interface Failure
107
Inverter Unit Interface Failure
109
Fuser Fan Failure
111
Unsupported Duplex Unit Rom
113
Fuse Cut Error (Fuser)
114
Finisher Interface Error
118
Inverter Power Supply Failure
119
Error in the Transfer Belt
121
Unsupported Rom
125
Inverter Unit
125
Finisher Unit
125
Duplex Unit
125
Toner Sensor Detection Error
126
Color Up/Down Error
129
Top Cover Open Error
130
Fuser Unit Detected as Missing
131
Fuser Life Error
133
Belt Life Error
134
Toner out Error
135
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