OKI B4400 User Manual

B4400/B4600 User’s Guide – Troubleshooting > 91
PRINT QUALITY PROBLEMS
Before consulting a service representative regarding a print 
quality problem, check the table below to see if there is a 
solution, or something you might have overlooked.
SYMPTOMPROBLEMSOLUTION
Blank sheets 
printed.Image drum 
cartridge not 
properly installed.Reinstall image drum cartridge.
Empty or missing 
toner cartridge.Install new toner cartridge.
Entire page 
prints faintly.Empty toner 
cartridge. Pages 
get fainter when...

B4400/B4600 User’s Guide – Troubleshooting > 92 Fuzzy print. LED array is dirty. Clean LED array.
Distorted print. Paper path, lamp 
assembly, or fusing 
unit problem.Generate cleaning page.
Contact service.
Faded print. Toner cartridge is 
not correctly 
installed.
To n e r  l o w .Install toner cartridge correctly.
Replace toner cartridge.
Smeared or 
blotched print.Dirty rollers; toner 
dropped inside 
printer or image 
drum problem.Replace image drum and toner.
Contact service.
Printed page is...

B4400/B4600 User’s Guide – Troubleshooting > 93
SOFTWARE PROBLEMS
Your software (operating environment, applications and printer 
drivers) controls the printing process. Make sure you have 
selected the right driver for use with your printer. See your 
software documentation for more information.
HARDWARE PROBLEMS
SYMPTOMPROBLEMSOLUTION
Printing is 
garbled.Incorrect driver is 
installed.Install an appropriate driver.
Printer’s output 
is below rated 
speed.Much of the 
printing delays will 
be caused by...

B4400/B4600 User’s Guide – Troubleshooting > 94 Printer freezes 
or displays error 
message when 
computer is 
rebooted.Booting the 
computer while the 
printer is on can 
cause a 
communications 
error.Turn printer off before rebooting 
computer.
Odours. Gases are given off 
by forms or 
adhesives passing 
through the hot 
fusing unit.Make sure the forms you use can 
withstand heating, and provide 
adequate ventilation.
Printer is on but 
must warm up 
before a job is 
printed.Power Save mode is 
set on...

B4400/B4600 User’s Guide – Installing options > 95
INSTALLING OPTIONS
The following options are available to extend the performance of 
your printer:
>10/100 BASE-TX Network Interface Card: to make the 
B4400 and B4600 network compatible
>16, 32, 64, 128, 256MB RAM DIMM: to extend the main 
memory of your printer and speed up the processing of 
large files
>RS232C Card: to provide serial interface capability for the 
B4400 and B4600
>Second paper tray: to increase your printer’s paper 
handling capacity...

B4400/B4600 User’s Guide – Installing options > 96
with the PS option and install only the PS DIMM. The 
result will be that the amount of overall memory 
available to the printer will decrease by 16MB as the 
PS code expands into 16MB of RAM currently 
installed. For example, a user who already has 
128MB installed (total memory is therefore 
128+16=144MB) will fit only the PS DIMM and will 
then have 128MB of RAM left for printing.
INSTALLATION PROCEDURE
To install any of the above options, follow the...

B4400/B4600 User’s Guide – Specifications > 97
SPECIFICATIONS
GENERAL
A summary of the basic characteristics of your printer appears in 
the table below:
ITEMSPECIFICATION
Dimensions B4400 (N22105B): 355mm x 395mm x 200mm (W x D x H)
B4600 (N22106B): 355mm x 395mm x 215mm (W x D x H)
Weight 9 kg approximately
Printing 
methodElectro-photographic printing using LEDs as light source
Print colour Monochrome
Print speed 26 pages per minute maximum
Resolution 1200 x 600 dots per inch
Emulations PCL6, PCL5e,...

B4400/B4600 User’s Guide – Specifications > 98 Power 
consumptionTypical: 400W
Idle: 70W
Power save mode: 7-10W
Paper output 
capacity at 
80g/m²Face up: 50 sheets
Face down: 150 sheets
Monthly duty 
cycle30,000 pages
Consumables Toner cartridge, Image drum
Power cable Approximately 1.8 m max. length (not provided)
Noise level Operation: 53 dB(A) 
Standby mode: 30dB(A)
Power saving mode: Background level
Environmental 
conditionsOperation: 10 - 32°C, 20% - 80% RH, 
Storage: 14 - 110°C, 10% - 90% RH
When...

B4400/B4600 User’s Guide – Specifications > 99
PAPER AND TRAY INFORMATION
Feed and ejection methods vary depending on the type, size and 
thickness of medium used. Use the chart below and the notes/
symbols/terms on the following page for initial guidance. (Minor 
variations to settings may be necessary depending on user setup 
and environmental conditions.) 
FEED
CASSETTEEJECTION 
METHOD
PAPER 
TYPESIZE WEIGHT T1 T2 MPF MF FU FD
Plain 
paperA4
A5
B5
Letter
ExecutiveL, ML, M o o o o o o
MH, H x x o o o...

B4400/B4600 User’s Guide – Specifications > 100
NOTES/SYMBOLS/TERMS
Notes:
1.When an optional second paper tray is used, the original 
tray is referred to as Tray 1 and the optional tray as Tray 
2.
2.It is not possible to use custom paper sizes with the PS 
emulation driver.
3.Tray 2 can accommodate paper with width of 148 to 
216mm and length of 210 to 316mm.
4.Paper smaller than A5 (i.e. less than 210mm long) should 
be ejected face up. 
SYMBOL/
TERMMEANING
T1 Paper Tray 1
T2 Paper Tray 2 (optional)...