QMS 2060 Reference page 73

Default Off
Notes A retained state is cleared if you do any of the following:
Sets the default font if the default font is set to selectbyindex.
Menu Administration/Emulations/PCL5E/Default Font Idx
Choices 0 to 32767
Default 00000
Note The index number can be obtained by the listing printed on the
advanced status page. See "Printing a Status Page" on page
4-47, for status page details.
Explicitly clear the PCL state by sending an <ESC>E or
Printer Job Language.
Turn off the printer. (Note that if Retain Temporary is set
to On or On Compatibility and power is turned off and
back on again, all temporary objects on the disk's stan-
dard resource will become permanent. RAM-based tem-
porary objects are lost).
Change any PCL front panel option.
Send any PCL-specific DOC commands (except the
DOC emulation command).
Send a PCL job from a different communications port.
For example, the state set up by a PCL job using the par-
allel port is cleared if a subsequent PCL job arrives at the
serial port.