Question about Brother IntelliFAX 1840C Plain Paper Inkjet Fax
How do I trouble shoot this problem?
After replacement of each ink cartridge the machine will display "Did you change?" for each colour. If one or more do not come up with this message you may have a problem.
Check each cartridge for the black flag is moving up and down with the liquid in the ink cartridge. If it stuck firmly tap it on a table until it is freed.
Another problem if the black sensors in the ink supply unit are pushed back it may not read the cartridges. If visably they look pushed back (usually only two) I can let you know how to correct.
Finally the mainboard in the machine can fail causing some inks not to read but you can not resolve this yourself.
Posted on Jan 29, 2008
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Posted on Jan 02, 2017
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