Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
B
RP-U420 series
Specification
(STANDARD)
68
67
n
= 2: Off-line 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
Cover is closed.
On
04
4
Cover is open.
3
Off
00
0
Paper is not being fed by using the FEED button.
On
08
8
Paper is being fed by the FEED button.
4
On
10
16
Not used. Fixed to On.
5
Off
00
0
No paper-end stop.
On
20
32
Printing is being stopped due to paper-end.
6
Off
00
0
No error.
On
40
64
Error occurs.
7
Off
00
0
Not used. Fixed to Off.
n
= 3: Error 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
No mechanical error.
On
04
4
Mechanical error occurs.
3
Off
00
0
No auto-cutter error.
On
08
8
Auto-cutter error occurs.
4
On
10
16
Not used. Fixed to On.
5
Off
00
0
No unrecoverable error.
On
20
32
Unrecoverable error occurs.
6
Off
00
0
No print head temperature error.
On
40
64
Print head temperature error occurs.
7
Off
00
0
No mark sensor error.
On
80
128
Mark sensor error occurs.
Bit 2:
This bit becomes “On” when home position detecting error or main motor lock-
up error is occurs.
Bit 7:
When serial interface model and 7 bit data word length selected, this bit can not
be transferred to the host.