Oki ML620 User Manual

ML620/ML621 User’s Guide 77
Testing the Printer
Font Sample Test
Rolling ASCII Test
Hexadecimal Dump Mode
Font Sample Test
Important!
Wide carriage Model ML621: If you are using 8.5”
paper to run the tests, make sure the paper width
selection in the printer menu is set to 8.5 inches.
Otherwise, printing on the platen may damage
the printer. See Chapter 4: Menu Mode for more
information.
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The Font Sample Test prints a sample of the fonts
standard to the printer.
The top of the printout shows the Printer Model,
Emulation (Microline, Epson, IBM compatible),
Firmware (F/W) Revision Level, Flash Loader (LD)
Revision Level, and Part Number.
Make sure paper is loaded.
Turn off the printer.
Press and hold the SEL + LF/FF keys while turning
the printer back on.
When only the SEL indicator is blinking, hold
down the LF/FF key and press the LOAD/EJECT
key.
The printer prints a page of font samples and the
test ends.
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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