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Troubleshooting
HP Designjet 4000/4020 Printer Series Service Manual
Printhead Status: ’OK’, ’Missing’, ’Reseat’, ’Replace’ or ’Remove’.
Expiration Date: Manufacture date (date marked on the actual
Printhead) + 24 months.
Used with non-HP ink: Can be reset to NO only when a new
Printhead has been installed and neither the Ink Tubes nor the Ink
Cartridges have been marked as "Used with non-HP ink = Yes".
Warranty spent: Percentage (%) versus 1000ml.
Scan Axis Shutdown: Corresponds to a media jam.
Printhead Health: This represents the number of nozzles out of service
during the last drop detection that was performed.
Number of Nozzles Out Printhead Health
< 5 10
> or = 5 and < 10 9
> or = 10 and < 20 8
> or = 20 and < 30 7
> or = 30 and < 50 6
> or = 50 and < 70 5
> or = 70 and < 100 4
> or = 100 and < 150 3
> or = 150 and < 200 2
> or = 200 and < 400 1
> or = 400 0
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