Use this command to show the settings of the various PRF parameters. Use the READ command to display the names of currently queued files. If the filename is omitted, the last file to be queued by this process is cancelled. This command is only effective for files which have not yet physically begun to print. Issue the DM command ICON to change the icon window into its full-size format.
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Otherwise, repack and print the non-zero portion of the printer buffer. If so, then we don't need to repack the bits in this section, we just set the output buffer to the correct constants.