Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET
NEXT
B
RP-U420 series
Specification
(STANDARD)
8
7
1.11 Receive Buffer
4 KB
1.12 Electrical Specifications
1) Use EPSON PS-170
2) Voltage: 24
V
±
5%
3) Current consumption (at 25
°
C):
During operation:
Mean: Approximately 0.75A (
α
-N 24 columns printing)
Standby:
Mean: Approximately 0.12A
1.13 Applicable Standards
Taiwan: EMI Class B
Europe: EMC: CE marking
EN55022 Class B
EN55024
Safety standard: EN60950 (TUV)
Oceania: EMC: AS/NZS 3548 Class B
1.14 Reliability
1) Life:
8,000,000 lines
2) MCBF:
20,000,000 lines
3) Print head life:
300,000,000 dots/wire
4) Auto cutter life:
800,000 times
1.15 Environmental Specifications
1) Temperature
During operation:
5 to 45
°
C {41
°
to 113
°
F}. (At 34
°
C {93
°
F} or higher, there are humidity
restrictions; refer to Figure 1.15.1.)
During storage:
-10 to 50
°
C {14
°
to 122
°
F} (excludes paper and ribbon)
2) Humidity
During operation:
10 to 90% (no condensation)
During storage:
10 to 90% (no condensation; excludes paper and ribbon)