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Seiko Epson

EP-101

mini-printerIntroduced Produced 1968–Seiko Epson EP-101 family
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The EP-101 is a mini-printer introduced by Shinshu Seiki in September 1968. The EP-101 is considered the world's first mini-printer. The EP-101 was incorporated into many calculators.[1]

EP-101 — en.wikipedia.org
Fig. 01EP-101en.wikipedia.org[1]

  • Plate 01The First Epson Printer - EP-101

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What it is

The Seiko Epson EP-101 is a mini-printer launched in September 1968 by Shinshu Seiki. The model designation EP stands for Electronic Printer. The EP-101 is recognized as the world's first mini-printer.[1]

Applications

The EP-101 was incorporated into many calculators.[1]

  • calculators

What do the numbers mean?

Configuration & options11

product type
mini-printer[1]
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designation meaning
EP = Electronic Printer[1]
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launch timing
September 1968[1]
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claimed distinction
world's first mini-printer[1]
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early use
incorporated into many calculators[1]
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Introduction year
1968[1]
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Device type
Mini-printer[1]
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Name expansion
EP stands for Electronic Printer[1]
Accurate?
Launch date
September 1968[1]
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First
World's first mini-printer[1]
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Calculator integration
Soon incorporated into many calculators[1]
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Vintage & configurations

  1. 1968-09Production start[1]

    Shinshu Seiki launched the EP-101 in September 1968.

  2. 1968-09Launch[1]

    Shinshu Seiki launched the EP-101 as the world's first mini-printer.

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Where are the manuals?

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Not publicly documented

Field notes

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Frequently asked questions

What does EP stand for in the EP-101?

EP stands for Electronic Printer.[1]

When was the EP-101 launched?

The EP-101 was launched in September 1968.[1]

What was the primary application of the EP-101?

The EP-101 was primarily used as an output device for calculators.[1]

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 Sep 27, 2026.