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Confidential
1.4.23 LED test pattern print (Function code 68)
<Function>
This function allows you to print the LED test pattern and check the LED ASSY for its quality
and float from the exposure drum.
<Operating procedure>
(1) Press the
6
and
8
keys in this order in the initial state of the maintenance mode.
"PRINTING" is displayed on the LCD, and one LED test pattern (refer to
) is printed.
(2) When this operation is completed without an error, "M68_L" is displayed on the LCD.
(3) Press the
Stop
key to return the machine to the initial state of the maintenance mode. If
an error message is displayed, remove the cause of the error referring to the measures
described in the table below, and press the
Mono Start
key.
* # indicates the toner color (Y, M, or C) of which cartridge became empty.
Memo:
You can check the LED for scratches and dirt by performing print test.
(Refer to
"1.4.22 Print test" in this chapter
Note:
When printing fails, a relevant error is displayed on the LCD. When the error factors
are removed and the
Mono Start
key is pressed, the machine automatically recovers
to the re-executable state. "PRINTING" is displayed on the LCD, and the LED test
pattern is printed on a sheet.
LCD
Description
M68_L
Vertical/horizontal dot loss check pattern.
Error message
Measure
TONER EMPTY #
*
Replace the empty toner cartridge.
Cover is Open
Close the joint cover ASSY .
No Paper
Load paper into the paper tray, and close the paper tray.
Jam Tray1
Remove the jammed paper, and close the paper tray.
Jam Rear
Remove the jammed paper, and close all the covers.
Summary of Contents for DCP-9020CDN
Page 47: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 ...
Page 89: ...2 50 Confidential Electrodes location of main body Fig 2 7 ...
Page 172: ...3 9 Confidential EM2 0 MOLYKOTE EM D110 2 0 mm dia ball EM2 0 Back cover ASSY Back cover ASSY ...
Page 345: ...5 7 Confidential Black and white scanning First side Front Fig 5 1 ...
Page 346: ...5 8 Confidential Black and white scanning Second side Back Fig 5 2 ...
Page 347: ...5 9 Confidential Color scanning First side Front Fig 5 3 ...
Page 348: ...5 10 Confidential Color scanning Second side Back Fig 5 4 ...
Page 384: ...5 46 Confidential LED test pattern M68_L Fig 5 17 ...
Page 429: ...App 3 8 Confidential When the following screen appears click Close to close the screen ...