Chapter 2 Indexes by Case
2-23
Panel display
Code
(last 4
digits)
Large LCD
Small
LCD 1
Small
LCD 2
Explanation/Detection sequence
Remedial Action
(★: Reference fault
isolation procedure
or tool)
PHead needs
cleaning.
Press Online to
clear error.
The printhead
requires cleaning.
The printhead
requires cleaning.
Online=Print
Stop=Stop Printing
280C
280D
280E
Execute printhead
cleaning. If this
message is still
displayed, replace
the printhead.
Printhead
(R)
Check
Nozzles
Online
Key
Press To
Print
Head R non-ejection warning (Check
printhead) Printing paused/ continued
printing allowed
The level of error is decided as shown in the
table below, based on the number of
non-ejecting nozzles per color (per chip) and
the number of nozzles unable to back up.
Depending on the firmware version, the
specifications vary as shown in the table
below.
①Check image
quality. (Unless
there are
problems with
the image
quality, there is
no need to
replace the
head.)
②Replace the
head.
★If the problem
persists, go to
2F2F (P3-6).
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