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Oki Data CONFIDENTIAL

45850101TH Rev.1

2-70

2. TROUBLESHOOTING PROCEDURES

(10-3) Error caused by the defective mechanism

Check item Check work

Actions to be taken

at NG

(10-3-1) Mechanical load applied to the ID unit

ID unit Check if a heavy mechanical load is being

applied to the ID unit due to breakage of the

waster toner belt, or not.

Replace the ID

unit.

If any attempt

of using new ID

unit as a trial

is going to be

made, be sure to

use the System

Maintenance

Menu FUSE

KEEP MODE.

(10-3-2) Motor operating condition

ID motor Conﬁrm that the respective ID motors work

normally or not by using the Motor & Clutch Test

of the self-diagnostic mode.

Check if any extra load exists or not.

Replace the CU/

PU board or the

ID motor.

2.5.5. (11) Fuse cut error (Error code: 154 and 155)

(11-1) Fuse cut error

Check item Check work

Actions to be taken

at NG

(11-1-1) Check the system connection

FFC connecting the

CU/PU board and

the P6Z board (P6Z

PCB)

Check if the RELAY connector of the CU/PU

board or PUIF connector of P6Z board (P6Z PCB)

is connected halfway, or inserted at an angle.

Check if FFC has open-circuit or its sheath is

peeled off.

Connect the

FFC normally.

Alternately,

replace the FFC.

(11-1-2) Fuse cut circuit

CU/PU board Upon completion of the system connection check,

turn off the power once and back on. The check if

the error occurs or not.

Replace the CU/

PU board.

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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 %