Справочник Пользователя для HP (Hewlett-Packard) 3740 Series

10.2  Aligning print cartridges

The printer automatically aligns the print cartridges after a new print cartridge is

installed. You can also align the print cartridges at other times to ensure optimal

print quality.
To calibrate the print cartridges:

1. Load letter-size or A4-size plain white paper in the In tray.
2. Open the 

3. Select the Calibrate panel.
4. Click the Align button, and then follow the onscreen instructions.

10.3  Automatically cleaning print cartridges

If your printed pages are missing lines or dots, or if they contain ink streaks, the print

If the print cartridges are not low on ink, follow these steps to clean the print

cartridges automatically:

1. Open the 

2. Select the Clean panel.
3. Click the Clean button, and then follow the onscreen instructions.

Caution: Clean print cartridges only when necessary. Unnecessary cleaning

wastes ink and shortens the life of the cartridge.

10.4  Manually cleaning print cartridges

If the printer is used in a dusty environment, a small amount of debris might

accumulate inside the case. This debris can include dust, hair, or carpet or clothing

fibers. When debris gets on the print cartridges and cradle, ink streaks and smudges

might appear 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.

• Distilled water
• Cotton swabs or other soft, lint-free material that will not stick to the cartridges

Be careful not to get 

 as you clean.

HP Deskjet 3740 series printer User's Guide

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