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Troubleshooting
HP Designjet 4000/4020 Printer Series Service Manual
Event Logs
This page contains the following information:
îš„ Last 20 System Error Codes (which prevented the Printer from booting).
îš„ Last 20 System Warnings (which did not prevent the Printer from booting,
but which required the user to acknowledge the problem).
îš„ Printhead Error log.
System/Warning Error
îš„ The Line and Internal Code do not provide much information, but are
useful in the case of escalating a problem to the division (different internal
error codes can point to the same error code (e.g. 01.10:10)).
 Media Usage (in square meters) and Date (from the Printer’s Internal
Clock (RTC)) help you to understand if the Printer has been used (media
usage) and how much time has passed since the last error.
Printhead Error Log
 Printheads ago: History of the last three Printheads used (’0’ represents
the current Printhead used).
îš„
Status
: ’0’ = Working, ’1’ = No Pen Detected, ’2’ = Replace, ’4’ = Reseat,
’8’ = Remove.
îš„
% Ink Used
: Percentage of the Warranty life (1000cc).
îš„
Error Code
: Specific error code generated by the Printer when the
Printhead has been replaced.
îš„
Max Recovery
:
– 0: No manual Printhead recovery has been performed on the Printhead.
– 1 or higher: At least one Printhead recovery has been performed.
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