Toshiba E-STUDIO520, Service Manual, Page: 63 / 592

March 2005 © TOSHIBA TEC e-STUDIO520/600/720/850 ERROR CODE AND SELF-DIAGNOSTIC MODE
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2.2.3 Test print mode (test mode 04)
<Operation procedure>
Notes:
1. When an error occurs, it is indicated on the panel, but the recovery operation is not per-
formed. Turn OFF the power and then back ON to clear the error.
2. During test printing, the [CLEAR] button is disabled when “Wait adding toner” is displayed.
The embedded test pattern can be printed out by keying in the following codes in the test print mode
(04).
Code Types of test pattern Remarks
111 Primary scanning direction 33 gradation steps Error diffusion
113 Secondary scanning direction 33 gradation steps Error diffusion / gamma adjustment pattern
142 Grid pattern Pattern width: 2 dots, Pitch: 10 mm
182 Secondary scanning direction 33 gradation steps
(dither) Gamma adjustment pattern
184 Secondary scanning direction 33 gradation steps
and dither process check pattern Gamma adjustment check pattern
[0][4]
[POWER]
[POWER] OFF/ON
(Exit)
(Code)
[START] [CLEAR] Operation
Continuous
Test Printing