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ESC?
Request for free memory
query for free printer memory input buffer - printer returns a response of 0...9 through its interface.
Syntax:
cab Produkttechnik GmbH & Co KG
ESC?
value
percentage of used memory
0
= 0-9%
1
= 10-19%
2
= 20-29%
3
= 30-39%
4
= 40-49%
5
= 50-59%
6
= 60-69%
7
= 70-79%
8
= 80-89%
9
= 90-99%
Bidirectional communications must be enabled on the requesting computer.
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