Troubleshooting 295
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PAPER JAM Paper is jammed in the
printer.
Open the top cover
and remove the
jammed paper. If TURN
PRINTER PWR OFF AND
THEN ON is displayed on
the LCD, turn the printer
off, leave it for a while,
and turn it on again.
See “Clearing Paper
Jams” on page 316.
NO MNT TNK The maintenance tank is
not set in the printer.
Install the maintenance
tank.
REAR COVER
OPEN
The rear cover is open. Close the rear cover.
UPDATE FAILED The printer failed to
update the FirmWare.
Update the FirmWare
again.
OPTION I/F ERROR The installed interface
cannot be used with this
printer.
Remove the interface
card, and install the
interface card that can
be used with this printer.
See “Options” on page
337.
SERVICE REQ
nnnnnnnn
Print head is locked. Pull the green tab on
the left side of the print
head to release the
print head.
A fatal error has
occurred.
Turn the printer off,
leave it for a while, and
turn the printer on
again. If this message is
displayed on the LCD
again, note the code
and contact your
dealer. See
“Contacting Customer
Support” on page 344.
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