Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
B
RP-U420 series
Specification
(STANDARD)
69
68
n
= 4: Paper roll sensor status
Bit
Off/On
Hex
Decimal
Function
0
Off
00
0
Not used. Fixed to Off.
1
On
02
2
Not used. Fixed to On.
2
Off
00
0
Journal paper roll is not near-end.
On
04
4
Journal paper roll near-end is detected.
3
Off
00
0
Receipt paper roll is not near-end.
On
08
8
Receipt paper roll near-end is detected.
4
On
10
16
Not used. Fixed to On.
5
Off
00
0
Journal mark sensor does not detect black mark.
On
20
32
Journal mark sensor is detecting black mark.
6
Off
00
0
Receipt mark sensor does not detect black mark.
On
40
64
Receipt mark sensor is detecting black mark.
7
Off
00
0
Not used. Fixed to Off.
n
= 6: Validation status
Bit
Off/On
Hex
Decimal
Function
0
Off
00
0
Not used. Fixed to Off.
1
On
02
2
Not used. Fixed to On.
2
Off
00
0
Validation is not selected.
On
04
4
Validation is selected.
3
Off
00
0
Not validation insertion waiting state.
On
08
8
Within validation insertion waiting state.
4
On
10
16
Not used. Fixed to On.
5
Off
00
0
Validation sensor does not detect paper.
On
20
32
Validation sensor is detecting paper.
6
Off
00
0
Reserved. Fixed to Off.
7
Off
00
0
Not used. Fixed to Off.
[Notes]
•
The status is transmitted whenever the data sequence of <10>H <04>H <
n
>
(1
≤
n
≤
4 or 6) is received.
Example:
In ESC
∗
m n
L
n
H
d1...dk
,
d1
=<10>H,
d2
=<04>H,
d3
=<01>H