HP designjet l65500 Manuale Di Servizio

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Troubleshooting
Print access
1.
To start color calibration from the HP Internal Print Server, select Substrate > Color calibration
then click the Calibrate button.
Read the plot
The print is scanned automatically to calibrate the Color Sensor.
Printhead health plot
Description
The Nozzle Health diagnostic plot will show the status of each printhead. 
Print access
1.
Go to the HP Internal Print Server and select Printer > Printhead cleaning.
2.
Press the Print button in the same window to print the following display. 
Read the plot
The print consists of six rectangles, one for each color. Each rectangle consists of small dashes. Any single 
dash uses few nozzles in the same way the user images are printed. This makes the printer robust to any 
failed nozzle and in this case, the image quality would not to be affected. The print uses the 4 passes 
printmode.
Each color is printed by a single printhead and shows the performance of that printhead.
NOTE:
The calibration process is fully automatic and can be performed unattended after you 
have loaded substrate of the type you wish to calibrate. The process takes about 25 minutes 
and consists of the following steps.