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CONFIDENTIAL
RP-U420 Status commands DLE EOT
Ver. 1.0
p. 71
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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. Bit 7 is different from the ESC/POS Specification.
•
n
= 4: Paper roll sensor status
Bits 5 and 6 are different from the ESC/POS Specification.
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.