Test Print Mode (Test Mode 04) - Toshiba e-STUDIO6520C Service Handbook

2.3

Test print mode (test mode 04)

The embedded test pattern can be printed out by keying in the following codes in the test print mode (04).
<Procedure 1>
[0][4]
(Code)
[POWER]
<Procedure 2>
[0][4]
(Code)
[POWER]
Notes:
1. When an error occurs, it is indicated on the panel, but the recovery operation is not
performed.
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.
Code Types of test pattern
70 Pattern for checking uneven image
density correction in primary
scanning direction
142 Grid pattern (black)
204 Grid pattern (color)
219 6% test pattern
220 8% test pattern
231 Secondary scanning direction 33
gradation steps
237 Halftone
262 Ladder pattern (4 lines ON / 4 lines
OFF)
270 Image quality control test pattern
286 Laser array damage detection
pattern
Note:
In the (Color selection) of <Procedure 2>, the printing method is different between [K(1)] and
[K(4)] as follows.
[K(1)] .....................Printing by bringing one K color developer unit into contact with the transfer
[K(4)] .....................The developer units of four (YMCK) colors are brought into contact with the
* The number in parentheses indicates the contact of the developer unit and the transfer belt.
e-STUDIO5520C/6520C/6530C
SELF-DIAGNOSTIC MODE
(Media selection)
[START]
Media
[START]
selection
[CLEAR]
Available only when A4/LT paper is
selected (Not available for bypass
feeding)
Pattern width: 2 dots, Pitch: 10 mm
Pattern width: 1 dot, Pitch: 10 mm
3 pixels standard, Width: 10 mm
For color deviation confirmation
For checking the image quality
control
For finding damaged parts on the
laser array if any abnormality has
been detected
belt
transfer belt, but the test pattern is printed in K color only.
Operation
Continuous
Test Printing
Color
[START] Operation
selection
Continuous
Test Printing
Remarks
© 2008-2011 TOSHIBA TEC CORPORATION All rights reserved
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[POWER]
[CLEAR]
OFF/ON
(Exit)
[POWER]
[CLEAR]
OFF/ON
(Exit)
Output
Remarks
from
1 LGC
1 LGC
2 LGC
2 LGC
2 LGC
2 LGC
2 LGC
2 LGC
2 LGC
1 LGC