Designjet Z Series — Service Manual 1-25
Reading the Diagnostic Print Results
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
straight 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
Maintenance/Clean Printheads option.
2 Reprint the Printhead Nozzles Test Plot to verify that the defective nozzles
have been corrected.
3 If the problem continues, replace the defective Printhead.
Diagnostic Part 2: Printhead Alignment
This test is designed to check any color-to-color and bi-directional
misalignment the printer may have.
1 If the Printer is experiencing horizontal misalignment problems, the
To Next Page
Loading...