Oki ML620 User Manual

ML620/ML621 User’s Guide 35
Print Quality
Important!
Front panel settings for print quality and character
pitch are normally overridden by software commands.
Draft: Utility —the default
Medium quality, medium speed (380 cps)
Gothic typeface only
HSD: High Speed Draft
Lower quality, higher speed (507 cps)
Gothic typeface only
SSD: Super Speed Draft
Lowest quality, highest speed (570 cps)
Gothic typeface only
NLQ: Near Letter Quality
Highest quality, slowest speed (95 cps)
Courier or Gothic
Note: Available Print Quality settings depend on which
Character Pitch setting is selected.
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There are three PRINT QUALITY indicator lights:
The sequence of lights shows which print quality
setting is active:
 SSD
 HSD
Draft
Courier
Gothic
OCR-B
( = light off,  = light on)
The default PRINT QUALITY is “DRAFT.”
To change the PRINT QUALITY press the PRINT QUALITY
key. Each time the key is pressed the light sequence
above the PRINT QUALITY key changes until all the
options have been cycled through.

Oki ML620 Specifications

General

Color	-
Maximum resolution	288 x 72 DPI
Mean time between failures (MTBF)	25000 h
Sound pressure level (printing)	55 dB
Sound pressure level (quiet mode)	52 dB
Standard interfaces	USB 2.0
Windows operating systems supported	Windows 2000, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business 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
AC input voltage	120 V
Dimensions (WxDxH)	438 x 375 x 191 mm