Oki MB461 User Manual

Oki Data CONFIDENTIAL
44871001TH Rev.6
8-38
8. TROUBLESHOOTING PROCEDURES
(1) LCD Display Trouble ...................................................................................8-39
(1-1) LCD displays nothing ...........................................................................8-39
(1-2) Display of OKI logo ..............................................................................8-40
(1-3) Error message display .........................................................................8-40
(2) Abnormal MFP operation after powered on ................................................8-40
(2-1) No operation ........................................................................................8-40
(2-2) Abnormal sound ...................................................................................8-42
(2-3) Abnormal odor .....................................................................................8-43
(2-4) Slow starting time.................................................................................8-43
(3) Paper feed jam (Error code 391: 1st tray) .....................................................8-54
(3-1) Does a jam error occur when turning on the power? ...........................8-54
(3-2) Jam occurs immediately after the paper feed is started. (1st tray) .......8-54
(4) Feed jam (Error code 380, 381) .....................................................................8-55
(4-1) Jam occurs immediately after the power is turned on. .........................8-55
(4-2) Jam occurs immediately after the paper feed is started. ......................8-55
(5) Paper feed jam (Error code 390: Multipurpose tray) .....................................8-56
(5-1) Does a jam error occur when turning on the power? ...........................8-56
(5-2) Jam occurs immediately after paper feed is started.
(Multipurpose tray) ...............................................................................8-57
(6) Paper running jam (Error code 381:) .............................................................8-58
(6-1) Jam occurs immediately after the power is turned on. .........................8-58
(6-2) Jam occurs immediately after the paper feed is started. ......................8-58
(7) Two-sided printing jam (Error code: 370, 371, 372, 373, 383) .....................8-58
(7-1) Two-sided printing jam. ......................................................................... 8-58
(8) Paper size error (Error code 400) .................................................................. 8-59
(8-1) Jam occurs when paper end is located near the IN1 sensor. ............... 8-59
(9) Fuser unit error (Error 170 to 177) .................................................................8-59
(9-1) Error occurs immediately after the power is turned on. ........................8-59
(9-2) Error occurs approx. 1 minute after the power is turned on. ................. 8-59
(10) Motor fan error (Error code 120, 127, 128) ..................................................8-60
(10-1) The low voltage power supply fan does not rotate immediately
after the power is turned on. .............................................................8-60
(10-2) All fans of the printer do not rotate. ................................................... 8-60
(11) Print speed is slow. (Performance is low.) ...................................................8-60
(11-1) Print speed decreases. .....................................................................8-60
(12) Option unit cannot be recognized. ...............................................................8-61
(12-1) Option try unit cannot be recognized. ...............................................8-61
(13) LED head cannot be recognized. (Error code 131, 132, 133, 134) .............. 8-61
(13-1) Service call 131 to 134 (LED HEAD Missing) ...................................8-61
(14) Toner cartridge cannot be recognized. (Error code 540, 541, 542, 543) ....8-62
(14-1) Error caused by the consumable items. ............................................ 8-62
(14-2) Error caused by the toner sensor .....................................................8-62
(14-3) Error caused by the defective mechanism ........................................ 8-63
(15) Fuse cut error (Error codes 153 to 155) ......................................................8-63
(15-1) Fuse cut error ...................................................................................8-63
(16) Humidity sensor error (Error code 123) .......................................................8-64
(16-1) Humidity sensor error .......................................................................8-64
Note! •WhenreplacingtheCU/PUboard,pleasereadthecontentonthe
EEPROM chip of the old board and copy it to the new board. (Refer to 5.6.1
when exchange the CU/PU board)
 • ConnectiondiagramisseeFig1-1.
8.5.5 Preparing for troubleshooting

Oki MB461 Specifications

General

Duplex printing	Yes
Maximum resolution	2400 x 600 DPI
Time to first page (black, normal)	5 s
Print speed (black, normal quality, A4/US Letter)	33 ppm
Scan file formats	BMP, GIF, JPG, PCX, PDF, TIFF, XPS
All-in-one functions	Copy, Print, Scan
Connectivity technology	Wired
Color all-in-one functions	No
Printing colors	Black
Maximum duty cycle	- pages per month
Number of print cartridges	1
Page description languages	Epson FX, IBM ProPrinter, PCL 5e, PCL 6, SIDM
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	99 copies
Time to first copy (black, normal)	11 s
Copy speed (black, normal quality, A4)	33 cpm
Scan to	USB
Scan drivers	TWAIN
Scanner type	Flatbed scanner
Grayscale levels	7
Input color depth	48 bit
Output color depth	24 bit
Scan speed (black)	37.5 ppm
Scan speed (color)	10 ppm
Image formats supported	BMP, GIF, JPG, PCX, PNG, TGA, WMF
Document formats supported	PDF
Paper input type	Paper tray
Total input capacity	250 sheets
Total output capacity	150 sheets
Maximum input capacity	781 sheets
Maximum number of input trays	2
Multi-Purpose tray input capacity	1 sheets
Auto document feeder (ADF) input capacity	50 sheets
Envelopes sizes	DL
Maximum print size	210 x 297 mm
Paper tray media types	Envelopes
Paper tray media weight	0 - 80 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
ISO C-series sizes (C0...C9)	C5, C6
Maximum ISO A-series paper size	A4
Display	LCD
Product color	Gray
Display resolution	320 x 128 pixels
Market positioning	Business
Direct printing	-
Standard interfaces	Ethernet, USB 2.0
Mobile printing technologies	Not supported
Supported network protocols (IPv4)	TCP/IPv4&v6, SMTP, POP3, HTTP, SNMPv1&v3, DHCP, DNS, LPR, Port9100, BOOTP, ARP, FTP, CIFS, LDAP, SLP
Sound power level (standby)	55 dB
Sound pressure level (quiet mode)	30 dB
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.5 W
Power consumption (standby)	3 W
Power consumption (PowerSave)	14 W
Power consumption (average operating)	950 W
Storage temperature (T-T)	-10 - 43 °C
Storage relative humidity (H-H)	10 - 90 %
Mac operating systems supported	Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion
Server operating systems supported	Windows Server 2003, Windows Server 2008, Windows Server 2008 R2
Windows operating systems supported	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 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, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64

Weight and Dimensions

Depth	425 mm
Width	427 mm
Height	455 mm