Oki C911dn Troubleshooting Guide

IndexTroubleshooting
1
2
Maintenance
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Maintenance of the device
z
Maintenance of the device
This section describes the cleaning method of the respective part of the device.
Cleaning printer surfaces
Items to be prepared: Water or neutral washing
agent, soft and dry cotton cloth 2 pieces
Note
z
Do not use Benzene or thinner as it may damage plastic
parts and coating.
z
Only use water or neutral washing agent.
z
It is not necessary to oil the device. Do not oil it.
1
Press and hold the power switch for
approximately 1s to switch the power
supply.
2
Check that the operation panel is
completely turned off, and then switch
off the main power supply.
3
Take water or neutral washing agent on
one piece of cotton cloth, and wipe with
thoroughly squeezed cloth.
Furthermore, wipe off with another dry
cotton cloth.
Cleaning LED heads
Clean LED head when there are stripes or white
creases on the print, or when letters are blurred.
Clean LED head when there is vertical white
line on the output paper or when the images
disappear vertically, or when the border of the
letters is blurred. When LED head is unclean, it
may cause paper jam.
Note
z
Do not use methyl alcohol or thinner. It may damage the
LED head.
z
Do not expose the image drum to direct sunlight or strong
light (About 1,500 lux or more). Do not keep it for more
than 5 minutes even under room lighting.
Items to be prepared: Soft tissue paper
1
Press and hold the power switch for
approximately 1s to switch the power
supply.
2
Check that the operation panel is
completely turned off, and then switch
off the main power supply.

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