Oki MC873dn User Manual

Oki Data CONFIDENTIAL
45850101TH Rev.1
2-51
2. TROUBLESHOOTING PROCEDURES
Check item Check work
Actions to be taken
at NG
(3-2-2-4) Check the system connection
Hopping motor
drive cable
Check the connection condition of the cable.
Check if the connector is connected in
the half-way only or not, and check if the
connector is inserted in a slanted angle or not.
Check also that cables are assembled without
any abnormality.
Replace the
cable with the
good cable
that normalizes
the connection
condition.
Hopping motor
drive cable
Check that any cable is not pinched during
assembling of the printer.
Remove the MOTERCL connector of the CU/
PU board and check the following at the cable
side.
Short circuit between pin-5 – FG
Short circuit between pin-6 – FG
Short circuit between pin-7 – FG
Short circuit between pin-8 – FG
Replace the
cable with the
good cable
that normalizes
the connection
condition.
Hopping motor Remove the MOTERCL connector of the CU/
PU board and check that approx. 3.4
Ω
can
be measured between pin-5 -pin-6 and pin-7
-pin-8 respectively at the cable end.
Replace the
hopping motor.
(3-2-3) Paper unloading jam occurs after a paper is taken into printer.
Check item Check work
Actions to be taken
at NG
(3-2-3-1) Check condition of the paper running path
Face Up Stacker
Cover
Confirm that it is either fully opened or fully
closed
Eliminate any
in-between
condition of the
cover between
the fully open
position and fully
closed position.
Duplex pull-in gate Confirm that the Duplex pull-in gate works
normally by using the Motor & Clutch Test of the
self-diagnostic mode.
Is it set to the paper unloading side normally?
Replace the
Duplex pull-
in gate or the
Duplex solenoid
Rear panel Check that the installation condition of the rear
panel hampers smooth movement of a paper in
the paper running path, or not.
Remove the rear
panel and re-
install it.
Paper running path
of unloading unit
Check that any mechanical load does not exist
that hampers the smooth movement of paper in
the paper running path of the paper unloading
unit, by the visual inspection.
Check if the paper unloading motor becomes
difficult to rotate or not.
Correct the
portion that
becomes
mechanical load.
(3-2-3-2) Check condition of the mechanical parts
Sensor lever of the
exit sensor and that
of the exit2 sensor
Check if shape and movement of the sensor
levers have any abnormality or not.
Replace the
sensor lever with
the good sensor
lever.
(3-2-3-3) Motor operation check
Fuser motor Confirm that the fuser motor works normally
by using the Motor & Clutch Test of the self-
diagnostic mode.
Check if any load exists or not.
Replace the CU/
PU board or
fuser motor or
fuser unit.
If any attempt of
using new fuser
unit as a trial
is going to be
made, be sure to
use the System
Maintenance
Menu FUSE
KEEP MODE.

Oki MC873dn Specifications

General

Duplex printing	Yes
Print technology	LED
Maximum resolution	1200 x 600 DPI
Time to first page (black, normal)	9.5 s
Print speed (black, normal quality, A3)	20 ppm
Print speed (black, normal quality, A4/US Letter)	35 ppm
Copier resize	25 - 400 %
Maximum copy resolution	600 x 1200 DPI
Maximum number of copies	999 copies
Time to first copy (black, normal)	10 s
Copy speed (black, normal quality, A4)	35 cpm
Scan to	CIFS, E-mail, FTP, HTTP, Image, USB
Scan drivers	TWAIN
Scanner type	ADF scanner
Output color depth	24 bit
Scan speed (color)	50 ppm
Image formats supported	JPG, TIF
Document formats supported	PDF, XPS
Optical scanning resolution	600 x 600 DPI
Faxing	Color faxing
Fax memory	8 MB
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	1000
Digital sender	-
Printing colors	Black, Cyan, Magenta, Yellow
Maximum duty cycle	75000 pages per month
Page description languages	Epson FX, IBM ProPrinter, PCL 5c, PCL 6, PDF 1.7, PostScript 3
Wi-Fi	No
Cabling technology	10/100/1000Base-T(X)
Security algorithms	802.1x RADIUS, EAP, SSL/TLS, WPA2
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Supported network protocols (IPv4)	TCP, DHCP, DHCPv6, BOOTP, HTTP, HTTPS, DNS, DDNS, WINS, , UPNP, Bonjour, SNMPv1&v3, SNTP, IPP, IPPS, WSD Print, WSD Scan, LLTD, IEEE802.1X, LPR, Port9100, Telnet, FTP, IPSEC, SecureProtocolServer, LDAP, LDAPS, CIFS, FTP, FTPS, SMTP, SMTPS, POP3
Internal memory	1260 MB
Internal storage capacity	250 GB
Sound power level (standby)	37 dB
Sound pressure level (printing)	54 dB
Paper input type	Paper tray
Total input capacity	300 sheets
Maximum input capacity	400 sheets
Total number of input trays	1
Auto document feeder (ADF) input capacity	100 sheets
Envelopes sizes	10, C4, C5, DL, Monarch
Custom media width	148.5 - 297 mm
Custom media length	210 - 431.8 mm
Paper tray media types	Banner, Envelopes, Plain paper
Paper tray media weight	64 - 220 g/m²
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size), Statement (140 x 216mm)
ISO A-series sizes (A0...A9)	A3, A4, A5, A6
ISO B-series sizes (B0...B9)	B4, B5
Maximum ISO A-series paper size	A3
Multi-Purpose Tray media weight	64 - 256 g/m²
Auto Document Feeder (ADF) media weight	60 - 120 g/m²
Display	LCD
Control type	Touch
Product color	Black, White
Display diagonal	7 \
Market positioning	Business
Standard interfaces	Ethernet, RJ-11, USB 2.0
Optional connectivity	Wireless LAN
USB 2.0 ports quantity	2
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	1400 W
Power consumption (off)	0.1 W
Power consumption (sleep)	3 W
Power consumption (PowerSave)	30 W
Power consumption (average operating)	850 W
Sustainability certificates	ENERGY STAR
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 %

Weight and Dimensions

Depth	600 mm
Width	563 mm
Height	700 mm