Service manual

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
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