HP LaserJet Enterprise, HP LaserJet Managed, HP PageWide Enterprise, HP PageWide Managed - Configuration Guide using the Embedded Web Server (EWS)

Additional calibration and cleaning information
Reference more details about printer calibration and cleaning.
●
Calibration Timing and Duration
●
Worst Case Delays
●
Steps to minimize interruptions
●
Background – Explanation of Calibration and Cleaning
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Calibration Controls
●
Cleaning Cycles
Calibration Timing and Duration
Please note that all of the below times are “best case” times. Color Plane Registration (CPR) calibrations may
require additional retry sequences before they complete with satisfactory results.
Table 6-1 Normal Timings and Durations
When Cycle Performed Duration
The product is powered on or brought to Ready from sleep mode.
NOTE: Dhalf
1
and Dmax
2
calibrations are not performed when the
printer is powered on or brought to Ready and the fuser
temperature registers 122 degrees F (50 degrees C) or more.
● Dhalf, Dmax
● Color Plane Registration (CPR)
3
1 minute 21
seconds
One or more new print cartridges are installed.
NOTE: Dhalf and Dmax calibration are run after 50 pages are
printed on the new cartridge(s).
Intermediate Transfer Belt (ITB)4
4
is replaced.
Laser Scanner is replaced.
After 1000 pages have printed since the last calibration.
NOTE: The printer will nish printing the current job before
calibrating.
● Dhalf, Dmax
● Color Plane Registration (CPR)
1 minute 21
seconds
After 8 hours has elapsed since the last print job. ● Dhalf, Dmax 43 seconds
After 15 minutes of continuous printing. ● Color Plane Registration (CPR) 38 seconds
In the middle of print operations.
NOTE: When the printer needs to perform a CPR calibration, it will
wait until the end of the print job or 100 pages before execution.
● Color Plane Registration (CPR) 38 seconds
When Quick Calibration is selected from the control panel menu. ● Dhalf, Dmax 43 seconds
When Full Calibration is selected from the control panel menu. ● Dhalf, Dmax
● Color Plane Registration (CPR)
1 minute 21
seconds
When the printer needs to evaluate toner level in print cartridge. ● Cleaning, toner level sensing 45 seconds
When the printer needs to perform periodic lubrication and cleaning
of toner cartridges.
● Toner Purge 21 seconds
74 Chapter 6 Congure printer features using the EWS ENWW