Brother MFC-J6920DW, Service Manual

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Confidential 2-10
3 ERROR INDICATION
To help the user or the service personnel promptly locate the cause of a problem (if
any), the machine incorporates the self-diagnostic functions which display error
messages for equipment errors.
3.1 Error Code
Error
Code
Contents
Refer to
page:
13 Defective during duplex-printing
Registration sensor detects paper feed condition at out of specified
timing during switchback.
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15 Paper jam during duplex ejecting
Recording paper is not able to be ejected since it is longer than 840 mm
when ejecting the paper.
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17 Recording paper size error (duplex-printing/duplex-copying)
- Paper width is wider than 301.5 mm (detection by paper width sensor)
- Paper width is narrower than 95.5 mm (detection by paper width sensor)
- Paper length is longer than 245.9 mm
(detection by registration sensor, switchback sensor)
-Paper length is shorter than 143.5 mm
(detection by registration sensor, switchback sensor)
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18 Paper jam during duplex-printing
Registration sensor does not detect paper feed within specified pulse
numbers in the second side paper re-feed.
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20 Cannot identify a black ink cartridge.
The ink cartridge detection sensor and the ink remaining sensor are
detecting.
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21 Cannot identify a yellow ink cartridge.
The ink cartridge detection sensor and the ink remaining sensor are
detecting.
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22 Cannot identify a cyan ink cartridge.
The ink cartridge detection sensor and the ink remaining sensor are
detecting.
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23 Cannot identify a magenta ink cartridge.
The ink cartridge detection sensor and the ink remaining sensor are
detecting.
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24 Ink cartridge side IC chip relation defective
- Identification no match
- Judging as incompatible cartridge
- Detecting setting wrong color
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