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Section 5: Interface Specifications
Page 5-6 LM Basic 408e/412e Operator’s Manual
5.8 SINGLE JOB BUFFER
Timing Chart — Normal Processing
Power ON
Printer side
ER
RD
RS
Printer status
Initial
td
Pressing Start / Stop Key PressingStart / Stop Key
td
STX · ·ETX(1) STX · · · · · · · · · · · · · · · · · · · ·ETX (2)
Online
Offline
Online
Receive, analyze, edit (1)
Receive, analyze, edit (2)
Print (1) Print (2)
td: delay from when the printer recognizes the completion of an item until control of the ER. (about 10µs)
Timing Chart — Error Processing
Power ON
Printer side
ER
RD
RS
Printer status
Head Open
td
Paper End Pressing Start / Stop Key
STX · ·ETX (1)
Online
Offline
Receive, analyze, edit (1)
Print (1)
Print (1)
Note: Paper End will be cleared when the Head has been closed.
Head Closed Pressing Start / Stop Key