Oki MB441 User Manual

PS Gamma Adjuster Utility (for MB451/MB451w/MB471/MB471w/MB491/MB491+/MB491+LP/ES4191 MFP/MPS4200mb/MPS4700mb)
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Useful Software
7
 PS Gamma Adjuster Utility (for MB451/MB451w/
MB471/MB471w/MB491/MB491+/MB491+LP/
ES4191 MFP/MPS4200mb/MPS4700mb)
This section explains the PS Gamma Adjuster Utility. You can adjust the print density of photos by
adjusting the half-tone density of the printer.
Note
 The PS printer driver can be used.
 Printing speed may be slow if this function is used. If you want to prioritize the speed, uncheck [Custom Gamma
Adjustment:].
 Some applications can specify the half-tone settings. If you use these functions, uncheck [Custom Gamma Adjustment:].
 If you are using Windows, [Half-tone adjustment] menu or the contents may not be displayed on the [Job options] tab. In
this case, restart your computer.
 If you are using an application before registering the half-tone adjustment name, restart the application before printing.
 [The registered half-tone adjustment name is effective for all printers of the same type if the multiple printers are saved in the
[Printers and FAX] folder.
Reference
 For details on how to install the PS Gamma Adjuster utility, refer to "Installing Utilities" P. 106.
Registering Halftone
For Windows PS Drivers
1 Click [Start] and select [All Programs]>
[Okidata]>[PS Gamma Adjuster]>
[PS Gamma Adjuster].
2 Select the machine from [Select
Printer].
3 Click on [New].
4 Adjust the half-tone.
You can select a method to adjust the half-tone
from operating the graph line, entering the
gamma value, or entering the density value into
the text box.
5 Enter setting name in [Gamma Curve
Name] and then click [OK].
6 Click on [Add].
7 Click on [Apply].
A dialog box appears.
8 Click on [OK].
9 Click on [Exit] to quit the PS Halftone
Adjuster utility.
For Mac OS X PS Printer Driver
1 Launch the PS Gamma Adjuster utility.
2 Click on [New].
3 Adjust the half-tone.
You can select a method to adjust the half-tone
from operating the graph line, entering the
gamma value, or entering the density value into
the text box.
4 Enter setting name in [Gamma Curve
Name] and then click [Save].
5 Click on [Select PPD].
6 Select the PPD file to register the
halftone adjustment and click[Open].
7 Select the gamma curves created and
click [Add].
8 Click on [Save].

Oki MB441 Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	5 s
Print speed (black, normal quality, A4/US Letter)	29 ppm
Power supply type	AC
Dimensions (WxDxH)	427 x 425 x 455 mm
Networking features	Fast Ethernet
All-in-one functions	Copy, Print, Scan
Connectivity technology	Wired
Color all-in-one functions	No
Maximum duty cycle	30000 pages per month
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
Scanner type	Flatbed scanner
Modem speed	33.6 Kbit/s
Total input capacity	250 sheets
Total output capacity	150 sheets
Maximum print size	210 x 297 mm
Paper tray media types	Plain paper
Paper tray media weight	60 - 120 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Display	LCD
Market positioning	Business
Direct printing	-
Standard interfaces	Ethernet, USB 2.0
Processor frequency	330 MHz
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (average operating)	580 W
Storage temperature (T-T)	-10 - 43 °C
Operating temperature (T-T)	10 - 32 °C
Storage relative humidity (H-H)	10 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Sustainability certificates	ENERGY STAR