Epson FX-870 Service Manual - Page 22

Firmware Specifications, REV.-A, printhead, value, model, UL1950, U.S.A, CSA22.2#220, R.F.I

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1.2.1.8 Reliability MCBF 5 million lines (excluding a printhead) (MCBF: Mean Cycles Between Failures) MTBF (expected value) 4000 power on hours (duty cycle 25Yo) - 80-column model 6000 power on hours (duty cycle 25Yo) -136-column model (MTBF : Mean Time Between Failures) Printhead Life 100 million characters (14 dots/character) REV.-A 1.2.1.9 Safety Approvals Safety standards UL1950 with D3 CSA22.2#220 EN 60950 (TUV) (U.S.A model) (EUR model) R.F.I FCC class B (U.S.A model) VDE0871 (Self certification) (EUR model) 1.2.2 Firmware Specifications 1.2.2.1 Print Control Printing direction Text mode Bidirectional printing with logic seeking. (Unidirectional printing can be specified by software.) Bit image mode Unidirectional printing Character sets ASCII characters - ESC/P mode - International characters (13 countries) and their italics PC 437,850,860,863,865, 437 Greek, 851,869,852,853,857, 855,866, GOST, 861 (European model) PC 437,850,860,863,865 (Non-European model) - IBM mode - PC 473,865 (PC = Personal Computer character table ) Fonts: Draft, NLQ Roman, NLQ Saris serif 1-13

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REV.-A
1.2.1.8 Reliability
MCBF
5 million lines (excluding a
printhead)
(MCBF:
Mean Cycles Between Failures)
MTBF
(expected
value)
4000 power on hours (duty cycle
25Yo)
—
80-column
model
6000
power on hours (duty cycle
25Yo)
—136-column model
(MTBF
: Mean Time Between Failures)
Printhead
Life
100 million characters (14 dots/character)
1.2.1.9 Safety Approvals
Safety standards
UL1950
with D3
(U.S.A
model)
CSA22.2#220
EN 60950
(TUV)
(EUR
model)
R.F.I
FCC class B
(U.S.A
model)
VDE0871
(Self certification)
(EUR
model)
1.2.2 Firmware Specifications
1.2.2.1 Print Control
Printing direction
Text mode
Bidirectional printing with logic seeking.
(Unidirectional printing can be specified by software.)
Bit image mode Unidirectional printing
Character sets
ASCII characters
—
ESC/P
mode —
International characters (13 countries) and their italics
PC 437,850,860,863,865, 437 Greek, 851,869,852,853,857, 855,866, GOST, 861 (European
model)
PC 437,850,860,863,865 (Non-European model)
— IBM mode —
PC 473,865
(PC = Personal Computer character table )
Fonts: Draft,
NLQ
Roman,
NLQ
Saris serif
1-13