HP B8C95AA Instrukcja Użytkownika Pobierz pdf (Strona 16)

100

101

HP Designjet T Series — Service Manual 1-12

Print quality troubleshooting

Below, the stepped lines highlighted in yellow are broken. When the line is

completely broken, this means the nozzle is out.

Below, the stepped lines highlighted in yellow are misdirected. When the

line is misdirected, this means the nozzle is malfunctioning or out of

position.

On the left of each Printhead Nozzle test, there is a series of horizontal

str

aight lines. If one or more nozzles are misdirected there will be unequal

spaces between the corresponding lines.

Corrective Action

If the printer has nozzle defects, you can still get

perfect print quality results.

The printer can automatically compensate for nozzle defects, so there is no

need to replace the Printhead.

The method of improving Nozzle Defects is to:

1 Recover the Printheads, using the Front Panel Main Menu/Image Quality

Maint

enance/Clean Printheads option.

2 Reprint the Printhead Nozzles Test Plot to verify that the defective nozzles

hav

e been corrected.

3 If the problem continues, replace the defective Printhead.

Dia

gnostic Part 2: Printhead Alignment

This test is designed to check any color-to-color and bi-directional

misalignmen

t the printer may have.

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