HP PCL/PJL reference (PCL 5 Printer Language) - Technical Quick Reference Guide

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Status Readback (continued)
Inquire Status Readback Entity
Identifies the entity type and causes the printer to create a status
response.
? * s # I
# = 0 - Font
1 - Macro
2 - User-defined pattern
3 - Symbol set
4 - Font extended
Free Space
Returns the amount of total available user memory and the largest block
available.
? * s 1 M
Flush All Pages
Suspends accepting I/O data until all pages currently in printer are
printed.
? &r # F
# = 0 - Flush all complete pages
1 - Flush all pages
Echo
Echoes the value field value back to the host.
? * s # X
# = Echo value (-32767 to 32767)
Learn.fm Page 26 Tuesday, June 22, 1999 8:17 AM