Oki B4350 Service Manual

42641101TH Rev.1 60 /
Oki Data CONFIDENTIAL
1 The printer does not work normally after the power is turned on.
• Turn the power off, then back on.
• Is all black message being displayed by the LCD display?
• No Is the AC cord being connected properly?
• No Connect the AC cord properly.
• Yes Is +5 V being applied between Pins 3 and 1 of PW_2 connector on the main control
board?
Pin 1 : 0 V
Pin 3 : +5 V
• No Is the connection between PW_1/PW_2 connector on the main control board
and connector CN2 on the power supply board board being made properly?
No Correct the connection.
• Yes Replace the power supply board.
• Yes Is +3.3 V being applied between Pins 5 (GND) and 8 of IC13?
Pin 5 :0 V
Pin 8 :+3.3 V
• No Replace the main control board.
• Yes Is the flexible cable for the operator panel assy being connected to the LCDPNL
connector on the main control board and the connector CN on the OPE board properly?
• No Connect the flexible cable properly.
• Yes Replace the operator panel assy or flexible cable.
• Has the problem been solved?
• No Replace the main control board.
• Yes End
• Yes Is message being displayed by the LCD display?
• No Replace the main control board.
• Yes Is message being displayed by the LCD display?
XXX: PCL, AUTO, PSE*, HEX DUMP, PPR, FX
* PSE means Postscript 3 Emulation.
• No Take actions according to the LCD status message/problem list (see Section
5.5.1 for corrective actions).
• Yes End
INITIAL-
IZING
ON-LINE
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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