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Diagnostic Tests and Utilities
HP Designjet 4000/4020 Printer Series Service Manual
8. Set RTC Clock
The purpose of this Service Utility is to set the Real Time Clock of the Printer.
Perform the Set RTC Clock utility as follows:
1 In the Service Utilities submenu, scroll to "Set RTC Clock" and press Enter.
2 The Printer will display the current time and the new time. Use the Up and
Down keys to go through the digits and press the Enter key to go to the
next digit. You can press the Cancel key at any time to exit the utility without
making any changes.
3 Once the new time has been entered, the Front Panel will display the time
that you have requested. Press the Enter key to confirm the time or the
Cancel key to exit the utility without making any changes or the Back key
to modify again.
If the current RTC Clock cannot be set, it could point to a possible Firmware
error.
4 If the utility exits correctly, OK will be displayed on the Front Panel.
Press Enter to
go to next digit
Press Cancel
to exit
Use UP and
DOWN keys
to go through
the digits
Press Enter
to confirm
Press Cancel
to exit
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