HP PageWide XL 4500 User Guide - Page 83

Printhead maintenance, Printhead troubleshooting, Cleaning container

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16. Close the top-stacker cover. 17. Empty the top stacker. 18. Tap Continue and wait about 32 minutes while the printer performs automatic calibrations and checks. 19. Make sure that you comply with all applicable federal, state, and local regulations when disposing of ink system consumables. Printhead maintenance The printer and the maintenance cartridge clean the printheads automatically. Avoid removing printheads unnecessarily. Printhead troubleshooting 1. Check that you have the correct type of printhead (model number). 2. Check that you have removed the orange protective caps from the printhead. 3. Check that the printhead is correctly oriented: compare it with the others. 4. Check that you have closed and latched the printhead cover. 5. If you still have problems when printing, see Print quality on page 146. ENWW Print bar 77

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16.
Close the top-stacker cover.
17.
Empty the top stacker.
18.
Tap
Continue
and wait about 32 minutes while the printer performs automatic calibrations and checks.
19.
Make sure that you comply with all applicable federal, state, and local regulations when disposing of ink
system consumables.
Printhead maintenance
The printer and the maintenance cartridge clean the printheads automatically.
Avoid removing printheads unnecessarily.
Printhead troubleshooting
1.
Check that you have the correct type of printhead (model number).
2.
Check that you have removed the orange protective caps from the printhead.
3.
Check that the printhead is correctly oriented: compare it with the others.
4.
Check that you have closed and latched the printhead cover.
5.
If you still have problems when printing, see
Print quality
on page
146
.
ENWW
Print bar
77