Document
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Confidential
micro dot printer
M-190G
Specification
STANDARD Rev. No. Notes
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SEIKO EPSON CORPORATION
MATSUMOTO MINAMI PLANT 2070 KOTOBUKI KOAKA, MATSUMOTO-SHI, NAGANO, 399-8702 JAPAN PHONE(0263)86-5353 FAX(0263)86-9923
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REVISION SHEET
Sheet 1 of 2 The table below indicates which pages in this specification have been revised. Before reading this specification, be sure you have the correct version of each page. Revisions Rev. A B C Document Enactment Change Change Design Section WRT
Takeuchi Aoki
Sheet Rev. No. APL
Arai Arai
CHK
-Narita
Sheet I II III IV V
Rev. Sheet Rev. C C C C C 20 21 22 23 24 25 C C C C C C C C C C C C C
Sheet
Rev.
1 2 3 4 5 6
C C C C C C C C C C C C C C C C C C C
26 27 28 29 30 31 32
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TITLE
Front Part
M-190G
Specification (STANDARD)
Cover
Rev. Sheet
Scope
General Description
Table of Contents
Contents
Appendix
Total
1
2
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4
1
32
2
42
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REVISION SHEET
Sheet 2 of 2 REV. B SHEET 2 4 28 C All CHANGED CONTENTS 1.5 Reliability NOTES: Section 2.14.1 → Section 2.14 1.13 Factory options ERC-22(purple), ERC-09(purple) → ERC-22, ERC-09 2.13 Overall Dimensions All pages are revised due to add “Confidential” to the header. Units are applied for SI unit system 2 sec → s, line/sec → lps [lps: lines per second], G → m/s “Confidentiality Agreement” Ribbon cassette ERC-40 [Correction] [Change] [Change]
III 1, 3, 5, 8, 32, App.2 14
[added] [added]
2.5.1 Electrical Characteristics 1) Electrical Characteristics of Timing Detector Open Collector Output: Typical: 0.12 V, Maximum 0.4 V → Typical: 0.3 V, Maximum 0.5 V Absolute maximum rating 8 mA → Absolute maximum rating 8 mA (Recommended: 2 mA) Termas: Vcc = 5 V, IOL = 8 mA → Vcc = 5 V, IOL = 5 mA 2) Printer Timing Detector Circuit Circuit of the printer side [changed] 3) Waveform Shaping Circuit on the Designer’s Side
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The designer needs to shape the printer timing detector signal with the integrator DataSheet4U.com circuit (provided by the designer: Time constant at the leading edge ≅ 5.7 µs, Time DataShee constant at the trailing edge ≅ 4.7 µs) and …→ The designer needs to shape the printer timing detector signal with the integrator circuit (provided by the designer: Time constant at the leading edge ≅ 12.7 µs, Time constant at the trailing edge ≅ 10 µs) and … 2.13 Overall Dimensions [changed]
TITLE
M-190G
Specification
(STANDARD)
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Points You Must Observe To Assure Product Safety
In order to assure the safe operation of this product, carefully observe the specifications as well as the notes provided below. Seiko Epson Corporation will not bear any responsibility for .
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