HP Deskjet 3820 Color Inkjet Printer - Manual (Page 80)

manually cleaning print cartridges
1. nozzle plate 2. face and edges of print cartridge
3. Inspect the face and edges of the print cartridge for fibers.
Repeat steps 1 and 2 above if fibers are still present.
4. Repeat steps 1 through 3 for the second print cartridge.
5. Wipe the underside of the print cartridge cradle walls using clean, moistened cotton
swabs.
Repeat this process until no ink residue appears on a clean swab.
1. print cartridge cradle 2. print cartridge cradle walls
6. Insert the print cartridges and close the printer’s top cover.
7. Connect the power cord to the back of the printer.
8. Print a calibration page .
9. Repeat the cleaning procedure if ink streaks continue to appear on printed pages.
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