Printing Operation - Epson TM-U950 Technical Manual

CONFIDENTIAL
Printing example.
1B
1B
41

Printing Operation

Sensors and printing operation
The ESC c 4 command can be used to select whether the printer should stop or continue printing
when the "no paper" condition is detected. The following sensors are involved:
Two-sheet mode:
Slip paper mode:
(*1) The journal and receipt paper roll sensors are used for auto-loading and cannot be used for
When "stop printing" is selected
When the "no paper" condition is detected, the printer automatically goes off-line. To resume
printing, close the cover after inserting a new paper roll.
When the "no paper" condition is detected, the printer continues to print on the printable area,
ejects the paper, and waits for the paper to be removed. The printer then stands by for paper
insertion.
Buffer full printing
After the maximum number of characters per line has been received and processed, the line is
printed and the paper is advanced automatically when additional data is received.
Rev. A
Hexadecimal Dump
21 00 1B 26 02
25 01 1B 63 34
42 43 44 45 46
paper-end detection. Printing may not be stopped even if the sensors are selected by ESC c
4. Therefore, use the near-end sensors to detect the paper roll end.
Two-sheet mode
Slip paper mode
40 40 : .!.&.@@
00 1B : .%..C4..
47 48 : ABCDEFGH
Journal near-end sensor
Receipt near-end sensor
Journal paper sensor (*1)
Receipt paper sensor (*1)
Slip paper insert sensor
TM-U950/U950P Technical Manual
Features and General Specifications 1-33