HP C8174A HP Business Inkjet 2800 - User Guide - Page 66

To clean the printhead contacts manually, Ensure the printer is plugged in and turned on.

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7 Close the printhead latch. Press down to ensure it is in the lock position. CAUTION 8 Close the covers. 9 Wait while the printer initializes the printheads and prints two alignment pages. To clean the printhead contacts manually To find out which printheads are compatible with your printer, see Supplies. Clean the printhead contacts only after you have attempted to clean the printheads automatically. See To clean printheads automatically. Printhead contacts contain sensitive electronic components that can be damaged easily. 1 Ensure the printer is plugged in and turned on. 2 Lift the ink cartridge cover and printhead cover. 3 Wait two or three seconds, and then unplug the printer power cord. 4 Lift to open the printhead latch. 5 Lift the handle of a printhead and use it to pull the printhead out of its slot. 64 6 - Maintaining and troubleshooting ENWW

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64
6 - Maintaining and troubleshooting
ENWW
7
Close the printhead latch. Press down to ensure it is in the lock position.
8
Close the covers.
9
Wait while the printer initializes the printheads and prints two alignment pages.
To clean the printhead contacts manually
To find out which printheads are compatible with your printer, see
Supplies
.
CAUTION
Clean the printhead contacts only
after
you have attempted to clean the printheads
automatically. See
To clean printheads automatically
. Printhead contacts contain sensitive
electronic components that can be damaged easily.
1
Ensure the printer is plugged in and turned on.
2
Lift the ink cartridge cover and printhead cover.
3
Wait two or three seconds, and then unplug the printer power cord.
4
Lift to open the printhead latch.
5
Lift the handle of a printhead and use it to pull the printhead out of its slot.