Specifications

OPERATOR MANUAL
Pag. 40
5.4 Cleaning the HP 51604 ink jet cartridge
If characters are printing incompletely (dots are missing), try the following tips to restore good print quality:
1. Open the inner cover.
2. Remove the ink jet cartridge by pulling down the small plastic lever. Push bladder with a paper clip
until ink fully coats silver plate (Fig.12).
3. Allow ink to absorb back into cartridge. Wipe excess with tissue (Fig.13).
4. Reinsert the cartridge by pushing it into its holder and then pull the small plastic lever all the way up
using the tab provided.
5. Replace the inner cover.
Fig.12 Fig.13
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