Oki C911dn Troubleshooting Guide

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Contents
Manual Conguration ........................................................................... 2
Reading the Manual ............................................................................. 3
Symbols .................................................................................................................. 3
Keys, Buttons, and Symbols....................................................................................3
Illustrations ............................................................................................................ 4
Screens...................................................................................................................4
Inscriptions ............................................................................................................ 5
1 Troubleshooting ................................................................... 9
Troubleshooting solutions procedure ................................................. 10
Paper jams ........................................................................................ 11
Checking messages (if a paper jam occurs) ..........................................................11
Removing jammed paper ...................................................................................... 14
When a message related to paper appears ........................................ 31
When a message related to replacement of consumables appears ..... 33
When some other message appears ................................................... 35
Printing Troubles ............................................................................... 40
Unable to print ..................................................................................................... 40
Printer driver malfunctions ................................................................................... 44
Print quality is poor .............................................................................................. 47
Paper feed is poor ................................................................................................ 50
2 Maintenance ...................................................................... 51
Replacing consumables and maintenance unit ................................... 52
Consumables and maintenance unit service life ...................................................52
When the replacement period is approaching ....................................................... 53
Replacing toner cartridges.................................................................................... 54
Replacing Image Drums ....................................................................................... 57
Replacing belt units and transfer roller units ........................................................60
Replacing fuser units ............................................................................................ 65
Replacing waste toner boxes ................................................................................ 67
Replacing paper feed rollers ................................................................................. 69
Maintenance of the device ................................................................. 77
Cleaning printer surfaces ...................................................................................... 77
Cleaning LED heads .............................................................................................. 77
Cleaning feed rollers ............................................................................................. 83

Oki C911dn Specifications

General

Color	Yes
Print technology	LED
Maximum resolution	1200 x 1200 DPI
Duplex printing mode	Auto
Time to first page (black, normal)	8 s
Print speed (black, normal quality, A4/US Letter)	50 ppm
Envelopes sizes	DL, Monarch
Maximum print size	297 x 420 mm
Paper tray media types	Banner, Envelopes, Labels, Plain paper
Non-ISO print media sizes	index card, Letter (media size)
ISO A-series sizes (A0...A9)	A3, A4, A5, A6
ISO B-series sizes (B0...B9)	B5
ISO C-series sizes (C0...C9)	C5
Maximum ISO A-series paper size	A3
Processor family	ARM Cortex
Sound power level (standby)	34 dB
Sound pressure level (printing)	57 dB
Standard interfaces	Ethernet
USB 2.0 ports quantity	1
Wi-Fi	No
Mobile printing technologies	Not supported
Display	LCD
Product color	White
Total input capacity	830 sheets
Total output capacity	300 sheets
Maximum input capacity	2950 sheets
Total number of input trays	2
Maximum number of input trays	5
Maximum duty cycle	300000 pages per month
Number of print cartridges	-
Page description languages	PCL 5c, PCL 6
Power consumption (max)	1600 W
Power consumption (off)	0.4 W
Power consumption (standby)	40 W
Power consumption (printing)	1100 W
Power consumption (PowerSave)	30 W
Sustainability certificates	ENERGY STAR
Mac operating systems supported	Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Windows operating systems supported	Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	20 - 80 %

Weight and Dimensions

Depth	625 mm
Width	699 mm
Height	640 mm