2
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e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
SELF-DIAGNOSTIC MODE
2 - 15
2.3
Test print mode (test mode 04)
<Procedure 1>
<Procedure 2>
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.
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
belt
[K(4)] .....................The developer units of four (YMCK) colors are brought into contact with the
transferbelt, but the test pattern is printed in K color only.
*
The number in parentheses indicates the contact of the developer unit and the transfer belt.
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
Remarks
Output
from
142
Grid pattern (black)
Pattern width: 2 dots,
Pitch: 10 mm
1
LGC
204
Grid pattern (color)
Pattern width: 1 dot,
Pitch: 10 mm
2
LGC
219
6% test pattern
2
LGC
220
8% test pattern
2
LGC
231
Secondary scanning direction 33
gradation steps
3 pixels standard, Width: 10 mm
2
LGC
237
Halftone
2
LGC
262
Ladder pattern (4 lines ON/ 4 lines OFF)
For color deviation confirmation
2
LGC
270
Image quality control test pattern
For checking the image quality
control
2
LGC
285
Field curvature deviation check pattern
For secondary scanning position
fine adjustment
1
LGC
[0][4]
[POWER]
[POWER]
OFF/ON
(Exit)
(Code)
(Media selection)
[START]
[CLEAR]
Operation
Continuous
Test Printing
[0][4]
[POWER]
[POWER]
OFF/ON
(Exit)
(Code)
[START]
[START]
[CLEAR]
[CLEAR]
Operation
Continuous
Test Printing
Color
selection
Media
selection
