Cause
Corrective Action
The Printhead cannot be recognized because it is not installed correctly.
1.
Open the Top Cover.
2.
Reinstall the Printhead.
(See "Replacing the Printhead.")
Execute printhead cleaning.
Execute printhead cleaning.
Cause
Corrective Action
The Printhead noz-
zles are clogged.
Follow these steps to clean the Printhead.
1.
Stop printing by pressing
▲
or
▼
to select
Stop Printing
.
2.
Clean the Printhead.
(See "Cleaning the Printhead.")
If the message is still displayed when printing, replace the Printhead.
(See "Replacing the Printhead.")
Press
▲
or
▼
to select
, and then press the
OK
button to resume printing. However, note that this error may
affect the printing quality.
iPF780
Execute printhead cleaning.
Error Message
Messages regarding printheads
621
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