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Seiko Epson

EP-101

mini-printerIntroduced Produced 1968–Seiko Epson EP-101 family
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EP-101 — en.wikipedia.org
Fig. 01EP-101en.wikipedia.org[1]

What is it?

In September 1968, Shinshu Seiki launched the EP-101, described as the world's first mini-printer. The source states that "EP" stands for "Electronic Printer," and that the EP-101 was soon incorporated into many calculators.

What can it run?

Process applications and technology nodes documented for this tool.

  • calculators

What do the numbers mean?

Configuration & options5

product type
mini-printer[1]
Accurate?
designation meaning
EP = Electronic Printer[1]
Accurate?
launch timing
September 1968[1]
Accurate?
claimed distinction
world's first mini-printer[1]
Accurate?
early use
incorporated into many calculators[1]
Accurate?

Vintage & configurations

  1. 1968-09Production start[1]

    Shinshu Seiki launched the EP-101 in September 1968.

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Where are the manuals?

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Not publicly documented

Field notes

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Not publicly documented

The following facts about the EP-101 are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.

  • No publicly documented variants, configuration options, or revision breakpoints of the EP-101 are on record.

    Answerable by: an OEM product catalog or an engineer who ordered or specified the tool

  • The control-system platform and OS era of the EP-101 are not on record.

    Answerable by: an engineer who operated it or OEM installation records

  • No publicly documented failure modes or field errata for the EP-101 are on record.

    Answerable by: a field service engineer, process engineer, or maintenance technician

  • The process node or technology generation of the EP-101 is not on record.

    Answerable by: an OEM datasheet or a fab qualification report

  • No publicly documented compatible parts, consumables, or accessories for the EP-101 are on record.

    Answerable by: an OEM parts catalog or a service engineer

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Sources & citations

Sources (2)Every fact above is drawn from these public sources
  1. [1]en.wikipedia.org — en.wikipedia.orgen.wikipedia.org
  2. [2]EP-101 - Wikipedia — en.wikipedia.orgen.wikipedia.org
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Last updated Jul 29, 2026.