Oki C911dn Troubleshooting Guide

Maintenance of the device
- 83 -
IndexTroubleshooting
1
2
Maintenance
Cleaning feed rollers
When paper jam occurs frequently, clean the
paper feed rollers.
Items to be prepared: Soft cotton cloth dipped in
water
Cleaning paper feed rollers of
Tray 1 to Tray 5
Example) When cleaning the paper feed roller of
Tray 1
1
Remove wrist watch, bracelet, etc.
2
Press and hold the power switch for
approximately 1s to switch off the
power supply.
3
Check that the operation panel is
completely turned off, and then switch
off the main power supply.
4
Pull out Tray 1.
5
Wipe off the dirt on paper feed rollers (3
places) with the moist soft cloth.
Memo
z
When it is difcult to wipe, open the side cover and
clean from the side cover side.
6
Install Tray 1.
7
Switch on the main power supply, press
the power supply switch and start the
printer.

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