HP Designjet 4020 and 4520 Printer Series - User's Guide: English

Change the units of measurement
To change the units of measurement displayed in the front panel, select the icon, then Printer
configuration > Select units, and select English or Metric.
The units of measurement can also be changed in the Embedded Web Server.
Adjust for altitude
Your printer will work better if you tell it roughly at what altitude it is. To set the altitude, go to the front
panel and select the
icon, then Printer configuration > Select altitude, and select a range.
20 Chapter 3 How do I... (printer operation topics) ENWW
Printer operation