HP 450c HP DesignJet 430, 450C, and 455CA Printer - User's Guide - Page 129

of the same print. - service manual

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Maintaining your printer Cleaning the cartridge nozzles (priming) C A U T I O N Cleaning the cartridge nozzles (priming) To prime a cartridge is to clear clogged print nozzles manually, by using the colored plunger at the left side of the printer. Some of the circumstances in which it is useful to prime a cartridge are explained in Chapter 9, "Troubleshooting", but essentially, if you suspect that the nozzles of a cartridge are clogged, try priming that cartridge, as explained here. 1 Leave the printer switched on. If the print in which you noticed the problem is still being printed, you will be able to check the result of the priming in the latter part of the same print. So simply go to step 2 to interrupt the print. If you try to prime a cartridge while the printer is switched off, you could damage the cartridges. 2 Open the cover. If necessary, wait for the cartridge carriage to move to the service station (the area on the left of the printer). MAINTENANCE 7 Cover open WARNING Cartridge carriage in service station 430 Plunger Selectors (450C and 455CA only) 450C/ 455CA Don't touch the plastic strip that runs the length of the printer behind the cartridge carriage. Keep hair, jewelry, clothing, and foreign objects away from the printer mechanisms. 7-7

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7–7
Cleaning the cartridge nozzles (priming)
To prime a cartridge is to clear clogged print nozzles manually, by using the
colored plunger at the left side of the printer.
Some of the circumstances in which
it is useful to prime a cartridge are explained in Chapter 9, “Troubleshooting”, but
essentially, if you suspect that the nozzles of a cartridge are clogged, try priming
that cartridge, as explained here.
1
Leave the printer switched
on
.
If the print in which you noticed the problem is still
being printed, you will be able to check the result of the priming in the latter part
of the same print.
So simply go to step 2 to interrupt the print.
If you try to prime a cartridge while the printer is switched
off
, you could
damage the cartridges.
2
Open the cover.
If necessary, wait for the cartridge carriage to move to the service
station (the area on the left of the printer).
Cover open
Cartridge
carriage in
service
station
430
450C/
455CA
Plunger
Selectors (450C and 455CA only)
Don’t touch the plastic strip that runs the length of the printer behind the
cartridge carriage.
Keep hair, jewelry, clothing, and foreign objects away
from the printer mechanisms.
MAINTENANCE
7
Maintaining your printer
Cleaning the cartridge nozzles (priming)
C A U T I O N
WARNING