HP 3000dtn HP Business Inkjet 3000 series printers - (English) User Guide - Page 132

Cleaning the printhead contacts

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Note To clean the printheads Cleaning the printheads takes several minutes. 1 Press (select button) on the LCD control panel. 2 Press (down arrow button) to highlight CONFIGURE DEVICE, and then press (select button). 3 Press (down arrow button) to highlight PRINT QUALITY, and then press (select button). 4 Press (down arrow button) to highlight CLEAN PRINTHEADS, and then press (select button). When the process is complete, the printer prints two pages with cleaning patterns. Discard or recycle this page. CAUTION Cleaning the printhead contacts If lines or dots are still missing from printed text or graphics after you have cleaned the printheads, the printhead contacts might be dirty. HP recommends that you clean the printhead contacts only after you have cleaned the printheads. Printhead contacts contain sensitive electronic components that can be damaged easily. To clean the printhead contacts 1 Make sure the printer is turned on. 2 Lift the top cover, and then press (select button) on the LCD control panel. -Or- • Press (select button) on the LCD control panel. • Press (down arrow button) to highlight CONFIGURE DEVICE, and then press (select button). • Press (down arrow button) to highlight PRINT QUALITY, and then press (select button). • Press (down arrow button) to highlight REPLACE PRINTHEADS, and then press (select button). 3 Lift the ink cartridge cover and printhead cover. 4 To open the latch, lift it from the rear (item 1 in the graphic) and then pull it forward and down to release the hook from the metal catch (item 2 in the graphic). 8-32 ENWW

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8-32
ENWW
To clean the printheads
Note
Cleaning the printheads takes several minutes.
1
Press
(select button) on the LCD control panel.
2
Press
(down arrow button) to highlight
CONFIGURE DEVICE
,
and then press
(select button).
3
Press
(down arrow button) to highlight
PRINT QUALITY
,
and then press
(select button).
4
Press
(down arrow button) to highlight
CLEAN PRINTHEADS
,
and then press
(select button).
When the process is complete, the printer prints two pages with
cleaning patterns. Discard or recycle this page.
Cleaning the printhead contacts
If lines or dots are still missing from printed text or graphics after you
have cleaned the printheads, the printhead contacts might be dirty.
CAUTION
HP recommends that you clean the printhead contacts only
after
you have cleaned the printheads. Printhead contacts contain
sensitive electronic components that can be damaged easily.
To clean the printhead contacts
1
Make sure the printer is turned on.
2
Lift the top cover, and then press
(select button) on the
LCD control panel.
-Or-
•
Press
(select button) on the LCD control panel.
•
Press
(down arrow button) to highlight
CONFIGURE DEVICE
,
and then press
(select button).
•
Press
(down arrow button) to highlight
PRINT QUALITY
,
and then press
(select button).
•
Press
(down arrow button) to highlight
REPLACE
PRINTHEADS
, and then press
(select button).
3
Lift the ink cartridge cover and printhead cover.
4
To open the latch, lift it from the rear (item 1 in the graphic) and
then pull it forward and down to release the hook from the metal
catch (item 2 in the graphic).