HP B8C95AA Bedienungsanleitung PDF herunterladen (Seite 53)

HP Designjet T Series — Service Manual 1-49

Ink Supplies Troubleshooting

The printer will start checking and preparing the printheads. The default

routine process, when all printheads are changed, takes 25 minutes. If the

printer finds problems in preparing the printheads, it will take longer, up to

55 minutes. For a single printhead insertion, the times vary between 15 and

35 minutes. After all printheads are checked and prepared, for the

printhead realignment.

Aligning Printheads

Precise alignment between printheads is essential for accurate colors,

smooth color transitions

, and sharp edges in graphical elements. Your

printer has an automatic printhead alignment process which runs whenever

a printhead has been accessed or replaced.

In cases where the paper has jammed, you have used a custom paper, or

are ex

periencing problems with color accuracy you may need to align the

printheads. If the paper has jammed, it is recommended that you reinsert the

printheads and initiate the realignment procedure with the Image Quality

Maintenance menu.

Do not use transparent and semi-transparent paper to align

the printheads. Photo paper is recommended for the best

quality.

Reinsert Printheads Procedure

1 If the realignment process is running and the w

rong paper is loaded, press

the cancel key on the front panel. Do not print if the realignment process has

been canceled. You can restart the alignment with the Image Quality

Maintenance menu procedure.

2 L

oad the paper you wish to use,. You can use a roll or cut sheet, however, it

must

be A3 landscape or larger.

3 Remove and re-insert all the printheads, see Remove a printhead and Insert

a pr

inthead. This will start the printhead alignment procedure.

4 Ensure the transparent window closed, as a strong light source near the

er during printhead realignment can affect alignment.

5 The process will take about six minutes. Wait u

ntil the front panel display

shows the process complete before using the printer.

Image Quality Maintenance Procedure

1 L

oad the paper you wish to use. You can use a roll or cut sheet, however, it

st be A3 landscape or larger (420 by 297 mm). Do not use transparent

and semi-transparent paper to align the printheads. Photo paper is

recommended for the best results; plain, bond and thin coated papers

provide acceptable but marginal results.

2 Pr

ess the Menu key to return to the main menu and select the Image Quality

Maint

enance menu icon.

3 Select Align printheads. The printer will check to see if it has enough paper

run the realignment.

4 If the loaded paper is satisfactory, the print

er will run the realignment and

print a realignment pattern. Ensure the transparent window is closed, as a

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