Oki MC873dn User Manual

Oki Data CONFIDENTIAL
45850101TH Rev.1
2-67
2. TROUBLESHOOTING PROCEDURES
2.5.5. (6) Motor fan error (Error code: 122, 127, 128, 918)
(6-1) The low voltage power supply fan does not rotate immediately after the power is
turned on.
Check item Check work
Actions to be taken
at NG
(6-1-1) Cable connection condition and wiring condition
Cable connection
condition and wiring
condition of the
low voltage power
supply fan and those
of the fuser fan
Check if the connectors are connected normally
or not.
Check if extra length of the cables does not
touch the fan blade or not.
Correct the
connection
condition of
the connectors.
Correct the cable
wiring route.
Replace the fan.
(6-2) Duplex fan does not rotate during the Duplex printing.
Check item Check work
Actions to be taken
at NG
(6-2-1) Cable connection condition and wiring condition
Cable connection
condition and wiring
condition of the
Duplex fan
Check if the connectors are connected normally
or not.
Check if extra length of the cables does not
touch the fan blade or not.
Correct the
connection
condition of
the connectors.
Correct the cable
wiring route.
Replace the fan.
24V fuse F501 of the
Duplex board (GOH-
1 PCB)
Check if the fuse F501 has blown out or not. Replace the
Duplex board
(GOH-1 PCB).
24V power supplied
to the Duplex board
(GOH-1 PCB).
Check if the fuse F503 of the CU/PU board has
blown out or not.
Replace the CU/
PU board.
(6-3) All fans of the printer do not rotate.
Check item Check work
Actions to be taken
at NG
(6-3-1) 24V power supply
CU/PU board fuses
F1, F503
Check if the fuses F1 and F503 are not open-
circuit or not.
Replace the CU/
PU board.
24V power that is
supplied to the CU/
PU board.
Check the power supply voltages at the POWER
connector of the CU/PU board. The follow
voltage must appear respectively.
Pins-9, 10, -11 and -12: 24V
Pins-13, -14, -15 and -16: 0VP
Replace the low
voltage power
supply.
2.5.5. (7) Print speed is slow. (Performance is low.)
(7-1) Print speed decreases.
Check item Check work
Actions to be taken
at NG
(7-1-1) Media Weight setting
Media Weight that is
specified for the print
Check if the wrong Media Weight has been
specified or not.
Correct the
Media Weight.

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