Epson SQ-B50/2550 Technical Manual page 25

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Ink safety:
REV.-A
No flash point
Irritant to eyes and skin due to strong alkalinity.
The result of the AMES test (mutagenicity test for Salmonellas) was
negative.
It is not immediately poisonous if swallowed. (LD50
=
5,000mg or
more)
pH is 12.9 (at 20 C).
DANGER
• If the ink comes into contact with eyes or a wound, consult a doctor immediately.
• If the ink comes into contact with skin (hands), wash it off immediately with soap and plenty
of water. If any irritation develops, consult a doctor.
1.2.1.5 Electrical Specifications
Power supply voltage:
108 to 132 VAC (120 V version)
198 to 264 VAC (2201240V version)
Frequency range:
Rated current:
Insulation resistance:
Dielectric strength:
49.5 to 60.5 Hz
Max. 1.0 AIAC (120 V version)
Max. 0.6 AlAC (2201240 V version)
10 M ohms or more at 500 VDC
(between the AC line andchassis)
1250 VAC (RMS) 1 min. (between the AC line and chassis)
(120 V version)
3750 VAC (RMS) 1 min. (between the AC line and chassis)
(2201240 V version)
1.2.1.6 Reliability
MCBF (Mean Cycles Between Failure):
MTBF (Mean Time Between Failure):
5 million lines (excluding the printhead)
SO-850 : 4000 POH (Power On Hour, Duty: 25%)
SO-2550: 6000 POH (Duty: 25%)
Printhead MCBF:
Life of printhead:
30,000 lines (Can be reused after cleaning.)
200 million dots or more (per nozzle), or two years or more nrmal use
1.2.1.7 Environmental Conditions
Temperature:
Operating
5° to 35°C (NOTE 1)
Storage
- 30° to 40°C (NOTE 2)
Transit
- 30° to 65°C (NOTE 3)
1-11

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