Oki C823n User Manual

- 90 -
Other Issues
3
3. Troubleshooting
Image Quality Issues
Memo
● If the following information does not solve your issues, contact your dealer.
Symptom Point to check Remedy Reference
Vertical lines appear.
Paper feed direction
The LED heads are dirty. Wipe the LED heads with a soft
tissue paper.
page 111
The toner is low. Replace the toner cartridge. page 97
The image drum is damaged. Replace the image drum. page 101
Foreign materials may be present
on the image drum.
Replace the image drum. page 101
The light-shielding lm of the
image drum is dirty.
Wipe the lm with a soft tissue
paper.
-
The image drum is not installed
properly.
Install the image drum properly. page 101
Printed images are
fading vertically.
Paper feed direction
The LED heads are dirty. Wipe the LED heads with soft
tissue paper.
page 111
The toner is low. Replace the toner cartridge. page 97
The paper is unsuitable. Use supported paper. page 43
Printed images are light.
The toner save is enabled. Change the toner save settings. -
The toner cartridge is not installed
properly.
Install the toner cartridge properly. page 97
The toner is low. Replace the toner cartridge. page 97
The paper is moist. Use paper stored in proper
temperature and humidity
conditions.
page 43
The paper is unsuitable. Use supported paper. page 43
The paper is unsuitable.
The settings of media type and
weight are incorrect.
Press the scroll button
or
and select [Menus] > [Tray
Conguration] > the paper tray
conguration you are using, and
then select the proper values
for [Media Type] and [Media
Weight]. Or, select a larger value
for [Media Weight].
page 43
The paper is recycled.
The media weight setting is
unsuitable.
Press the scroll button
or
and select [Menus] > [Tray
Conguration] > the paper tray
you are using, and then select a
larger value for [Media Weight].
page 43
Printed images are
partially faded. Spots
and lines appear.
The paper is too moist or dry. Use paper stored in proper
temperature and humidity
conditions.
page 43
[Paper Black Setting] or [Paper
Color Setting] is improperly
congured.
Press the scroll button
or ,
select [Menus] > [Print Adjust],
and then change the value of
[Paper Black Setting] or [Paper
Color Setting].
-
[Films Black Setting] or [Films
Color Setting] is improperly
congured.
Press the scroll button
or ,
select [Menus] > [Print Adjust],
and then change the value of
[Films Black Setting] or [Films
Color Setting].
-

Oki C823n Specifications

General

Color	Yes
Duplex printing	O
Print technology	LED
Maximum resolution	600 x 1200 DPI
Time to first page (black, normal)	14 s
Print speed (color, normal quality, A3)	13 ppm
Print speed (black, normal quality, A4/US Letter)	23 ppm
Printing colors	Black, Cyan, Magenta, Yellow
Maximum duty cycle	50000 pages per month
Recommended duty cycle	1500 - 10000 pages per month
Number of print cartridges	4
Page description languages	Epson FX, IBM ProPrinter, Microsoft XPS, PCL 5c, PCL 6, SIDM
Wi-Fi	No
Security algorithms	SNMP, SSL/TLS
Mobile printing technologies	Google Cloud Print
Standard interfaces	RJ-45, USB 2.0
Optional connectivity	Wireless LAN
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supported	Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2
Windows operating systems supported	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, 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 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 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
Built-in processor	-
Noise level (idle)	32 dB
Maximum internal memory	768 MB
Sound pressure level (printing)	52 dB
Photo paper sizes	10x15, 12.5x17.5 cm
Custom media width	64 - 297 mm
Custom media length	90 - 1321 mm
Paper tray media types	Banner, Envelopes
Paper tray media weight	64 - 220 g/m²
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Index card, Letter (media size), Statement (140 x 216mm)
ISO A-series sizes (A0...A9)	A3, A4, A5
ISO B-series sizes (B0...B9)	B4, B5, B6
Photo paper sizes (imperial)	4x6, 5x7 \
Maximum ISO A-series paper size	A3
Multi-Purpose Tray media weight	64 - 256 g/m²
Paper input type	Paper tray
Total input capacity	300 sheets
Total output capacity	250 sheets
Maximum input capacity	1990 sheets
Paper tray 2 input capacity	535 sheets
Total number of input trays	1
Multi-Purpose tray input capacity	100 sheets
Storage temperature (T-T)	0 - 43 °C
Operating temperature (T-T)	10 - 32 °C
Storage relative humidity (H-H)	10 - 90 %
Operating relative humidity (H-H)	20 - 80 %
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	1400 W
Power consumption (off)	0.15 W
Power consumption (printing)	700 W
Power consumption (PowerSave)	12 W
Certification	EMC, CE, GS, CCC
Product color	Grey, White
Sustainability certificates	ENERGY STAR
Cables included	AC

Weight and Dimensions

Depth	552 mm
Width	449 mm
Height	360 mm