HP Smart Tank 500 User Guide - Page 83

To clean printhead contacts, longer than 30 minutes. This could result in damage to the printheads.

Page 83 highlights

To clean printhead contacts NOTE: ● Open the printhead latch and clean printhead contacts only when necessary; for example, if a printhead cannot be detected. The instructions here are only applicable in this section. After you have set up the printer, do not open the printhead latch unless instructed to do so. ● The cleaning procedure should take only a few minutes. Make sure that the printheads are reinstalled in the printer as soon as possible. It is not recommended to leave the printheads outside of the printer longer than 30 minutes. This could result in damage to the printheads. 1. Make sure the printer is turned on. 2. Close the output tray extender, and then close the output tray. 3. Open the front door of the printer. ENWW Printhead (cartridge) problem 79

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To clean printhead contacts
NOTE:
Open the printhead latch and clean printhead contacts only when necessary; for example, if a printhead
cannot be detected.
The instructions here are only applicable in this section. After you have set up the printer, do not open
the printhead latch unless instructed to do so.
The cleaning procedure should take only a few minutes. Make sure that the printheads are reinstalled in
the printer as soon as possible. It is not recommended to leave the printheads outside of the printer
longer than 30 minutes. This could result in damage to the printheads.
1.
Make sure the printer is turned on.
2.
Close the output tray extender, and then close the output tray.
3.
Open the front door of the printer.
ENWW
Printhead (cartridge) problem
79