Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
B
RP-U420 series
Specification
(STANDARD)
37
36
3.3 Switches and Buttons
3.3.1 Power switch
The power switch is on the lower right front of the printer and turns the power on or off.
3.3.2 Paper feed buttons
Receipt/journal paper feed buttons. Non-locking push button.
The ESC c 5 command enables or disables the receipt/journal paper feed buttons.
When disabled, the receipt/journal feed paper buttons will not function.
•
While printing, the paper cannot be fed with the receipt/journal paper feed buttons.
3.3.3 Stamp button
While reloading paper, use stamp button after cover open.
•
If the stamp button is pressed one time when the case cover is open, the printer executes
stamping once.
3.3.4 DIP switches
1) RS-232 serial interface model
Table 3.3.1 DIP Switch 1
Switch
No.
Function
ON
OFF
1
Data word length
7 bit
8 bit
2
Parity
Yes
No
3
Parity selection
Even
Odd
4
Baud rate selection
19200 bps
9600 bps
5
Hand shaking
XON/XOFF
DTR/DSR
6
Busy condition
Refer to Table 2.1.1
Refer to Table 2.1.1
7
Paper cutter
Manual cutter
Auto cutter
8
Printer mode selection
Taiwan mode *1)
Standard mode *2) *3)
Table 3.3.2 DIP Switch 2
Switch
No.
Function
ON
OFF
1
Pin 25 reset signal
Used
Not used
2
Pin 6 reset signal
Used
Not used
3
Buzzer
Enabled
Disabled
4
Reserved
Fixed to Off.
5
Download mode
Enabled
Disabled
6
Reserved
Fixed to Off.
