Olivetti PR 4 Programmer's Manual page 61

Impact printer
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ESC e n
Print and reverse feed n lines
Hexadecimal code: 1B 65 n
n = 0-255
Range:
Prints the data in the print buffer and feeds n lines in the reverse direction.
Notes: -
This command sets the print starting position to the beginning of the line.
-
This command must not be issued continuously more than two times.
-
If n is out of the range or if the paper feed amount exceeds 1/6 inch, the printer prints the
data and does not feed the paper.
-
If slip paper gets out of the slip sensor during printing, the printer prints the data and does
not feed the paper.
-
Reverse direction paper feeding causes the following problems:
1. Paper feed pitch is incorrect
2. Printer noise is louder than normal.
3. The paper may rub against the ribbon and become dirty.
References: ESC 2, ESC 3, ESC d
ESC f t1 t2
Set slip paper waiting time
Hexadecimal code: 1B 66 ..
t1 = 0-15
Range:
t2 = 0-64
Sets the time that the printer waits for slip paper to be inserted and the time from insertion of the slip to
the start of printing.
t1 specifies the wait time for slip paper to be inserted.
t2 specifies the time from the insertion of the slip to the start of printing.
Notes: -
This command sets the slip paper wait time to [t1 x 1] minutes. If slip paper is not
inserted within this time, the printer cancels slip paper mode and selects the default
paper type for ESC c 0.
-
When t1 is set to 0, the printer waits until slip paper is inserted.
-
The printer starts operation [t2 x 0,1] seconds after detecting a slip.
-
When either t1 or t2 is out of the specified range, this command is ignored and the
previously set value is not changed.
-
Using DLE ENQ 3 cancels the slip waiting state. The data in the receive buffer and the
print buffer are cleared in this time.
Epson TM-U950 Commands
4-25

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