Oki B4350 Service Manual

42641101TH Rev.1 61 /
Oki Data CONFIDENTIAL
[JAM error]
2-1 Paper input jam
• Does the JAM error occur when the power is turned on?
• Yes Is the paper at the inlet sensor?
• Yes Remove the paper.
• No Is the operation of the inlet sensor plate normal (moves freely when it is touched)?
• No Replace the inlet sensor plate.
• Yes Clean the inlet sensor on the high voltage/sensor board, or replace the high voltage/
sensor board.
• No Does the JAM alarm occur after paper feeding?
• Yes Is the paper fed to the inlet sensor plate?
• Yes Is the operation of the input sensor plate normal (moves freely when it is touched)?
• No Replace the inlet sensor plate.
• Yes Clean the inlet sensor on the high voltage/sensor board or replace the high voltage/
sensor board.
• No Replace the hopping roller rubber or paper cassette.
• No Is the hopping roller rotating?
• Yes Set the paper tray properly.
• No Is the hopping motor rotating?
• Yes Replace the one-way clutch gear of the hopping roller assembly.
• No Is HM connector on the main control board being connected properly?
• No Connect HM connector properly.
• Yes Is the coil resistance (normal resistance: both between
Pins 1 and 2, as well as Pins 3 and 4 are about 10.3 Ω) of
the hopping motor normal?
• No Replace the hopping motor.
• Yes Replace the main control board.
Outlet sensor
Exit roller
Heat roller
Transfer roller
Paper sensor
Registration roller
Inlet sensor 1
Inlet
sensor 2
Toner
sensor
Paper end sensor
Hopping
roller
Paper feeding direction

Oki B4350 Specifications

General

Color	No
Print technology	Laser
Maximum resolution	600 x 1200 DPI
Time to first page (black, normal)	6.2 s
Print speed (black, normal quality, A4/US Letter)	22 ppm
Internal memory	16 MB
Processor model	Power PC
Built-in processor	Yes
Maximum internal memory	272 MB
Sound power level (standby)	38 dB
Sound pressure level (printing)	53 dB
Total input capacity	250 sheets
Total output capacity	150 sheets
Paper tray 2 input capacity	500 sheets
Maximum print size	210 x 297 mm
Media weight (tray 1)	60 - 105 gsm
Non-ISO print media sizes	Executive (184 x 267mm), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Power requirements	230VAC + / - 10%
Compatible operating systems	-Windows 95/98/98 SE/ME/NT4 Workstation/NT4 Server/2000 Workstation/2000 Professional/2000 Server/2000 Advanced Server/XP Professional/XP Home/NT Terminal Server Edition/2000 Terminal Server. -Mac OS 8.6/OS X 10.1.
Display	LCD
Maximum duty cycle	30000 pages per month
Power consumption (printing)	350 W
Power consumption (PowerSave)	13 W
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	10 - 80 %

Weight and Dimensions

Dimensions (WxDxH)	355 x 395 x 200 mm