Oki C823n User Manual

- 91 -
Other Issues
3
3. Troubleshooting
Symptom Point to check Remedy Reference
Horizontal lines
and spots appear
periodically.
Paper feed direction
If the interval of lines or spots
is about 94 mm (4 inches), the
image drum (the green tube) is
damaged or dirty.
Lightly wipe the image drum with
soft tissue paper.
Replace the image drum if it is
damaged.
page 101
If the interval of lines or spots is
about 40 mm (2 inches), foreign
materials may be present on the
image drum.
Open and close the output tray,
and print again.
-
If the interval of lines or spots is
about 143 mm, there is damage to
the fuser unit.
Change the fuser unit. page 107
The image drum has been exposed
to light.
Place the image drum back into
the printer and leave it for a few
hours. If that does not solve the
problem, replace the image drum.
page 101
The paper feed path is dirty. Print a few test copies. -
White area of paper is
lightly stained.
The paper contains static
electricity.
Use paper stored in proper
temperature and humidity
conditions.
page 43
The paper is too thick. Use thinner paper. -
The toner is low. Replace the toner cartridge. page 97
Periphery of letters is
smudged.
The LED heads are dirty. Wipe the LED heads with soft
tissue paper.
page 111
The paper is unsuitable. Use recommended paper. -
The paper is moist. Replace it with new paper. page 43
The entire paper area
is lightly stained when
printing on envelopes or
coated paper.
The toner may be sticking to the
whole area of the envelope or
coated paper.
This is not a malfunction of the
printer.
Coated paper is not recommended.
-
Toner comes off when it
is rubbed.
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
heavier weight in [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
conguration you are using, and
then select a heavier weight for
[Media Weight].
page 43
Glossiness is not
uniform.
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
heavier weight in [Media Weight].
page 43

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