HP Latex 260 Maintenance and troubleshooting guide - Page 19

Clean the electrical connections on a printhead

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6. Download the test file from inside the printer: http://printerIP/hp/device/webAccess/images/ Ink_trespassing_check.pdf, where printerIP is the IP address of your printer. 7. Print the test file using the number of passes and media profile that you intend to use in future with this substrate (or a similar profile in terms of ink limit). 8. Unload the substrate. 9. Remove the strip of self-adhesive vinyl from the platen. 10. Compare the optical density (darkness) of the strip with the gray rectangle below. ● If the strip is completely white (has no ink on it), the tested substrate is non-porous and can be used for printing as described in the User's guide. ● If the strip is lighter than the gray rectangle above, the tested substrate can be used for printing, but the platen should be cleaned immediately after each printing session (see Clean the platen on page 17). ● If the strip is darker than the gray rectangle above, the tested substrate is too porous, and is not supported for use with your printer. Clean the electrical connections on a printhead It is possible that the printer will not recognize a printhead after it has been installed. This can happen when ink builds up on the electrical connections between the printhead and the printhead carriage. Under these circumstances, HP recommends that you clean the electrical connections on the printhead. However, routine cleaning of the connections when no problems are apparent is not recommended. A carriage interconnect wiper is included with your printer in the User Maintenance Kit. ENWW Clean the electrical connections on a printhead 13

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6.
Download the test file from inside the printer:
http://
printerIP
/hp/device/webAccess/images/
Ink_trespassing_check.pdf
, where
printerIP
is the IP address of your printer.
7.
Print the test file using the number of passes and media profile that you intend to use in future with this
substrate (or a similar profile in terms of ink limit).
8.
Unload the substrate.
9.
Remove the strip of self-adhesive vinyl from the platen.
10.
Compare the optical density (darkness) of the strip with the gray rectangle below.
●
If the strip is completely white (has no ink on it), the tested substrate is non-porous and can be
used for printing as described in the
User's guide
.
●
If the strip is lighter than the gray rectangle above, the tested substrate can be used for printing,
but the platen should be cleaned immediately after each printing session (see
Clean the platen
on page
17
).
●
If the strip is darker than the gray rectangle above, the tested substrate is too porous, and is not
supported for use with your printer.
Clean the electrical connections on a printhead
It is possible that the printer will not recognize a printhead after it has been installed. This can happen when
ink builds up on the electrical connections between the printhead and the printhead carriage. Under these
circumstances, HP recommends that you clean the electrical connections on the printhead. However, routine
cleaning of the connections when no problems are apparent is
not
recommended.
A carriage interconnect wiper is included with your printer in the User Maintenance Kit.
ENWW
Clean the electrical connections on a printhead
13