HP Deskjet 3820 Color Inkjet Printer - Manual (Page 79)

manually cleaning print cartridges
manually cleaning print cartridges
If the printer is used in a dusty environment, a small amount of debris may accumulate inside
the case. This debris can include dust, hair, carpet, or clothing fibers. When debris gets on the
print cartridges and cradle, it can cause ink streaks and smudges on printed pages. Ink streaking
is easily corrected by manually cleaning the cartridges and cradle.
gathering cleaning supplies
You will need the following items to clean the print cartridges and cradle:
●
Clean water.
●
Cotton swabs or other soft, lint-free material that will not stick to the cartridges.
Be careful not to get ink on your hands or clothing as you clean.
preparing to clean
1. Press the Power button to turn on the printer, then raise the top cover.
The cradle moves to the center of the printer.
2. Disconnect the power cord from the back of the printer.
3. Remove the print cartridges and place them on a piece of paper with the nozzle plate
facing up.
Do not leave the cartridges outside the printer for more than 30 minutes.
Caution! Do not touch the print cartridge ink nozzles or copper contacts. Touching
these parts will result in clogs, ink failure, and bad electrical connections. Do not
remove the copper strips. They are required electrical contacts.
cleaning the print cartridges and print cartridge cradle
1. Lightly moisten a cotton swab with distilled water.
2. Clean the face and edges of the first print cartridge with the swab, as shown in the
following illustration.
Do Not wipe the nozzle plate.
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