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File:Ferranti Archives PRN-SIN-SCH-012 detail, ZX Printer circuit diagram of 2 March 1982.png

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Original file (2,200 × 1,040 pixels, file size: 1.27 MB, MIME type: image/png)

Summary

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Hand-drawn circuit diagram titled "ZX PRINTER ELECTRONICS (2 MAR 82)": the edge-connector wiring with wire colours at the left, the ULA (IC1) with its pin numbers, the motor driver Tr6, the encoder LED D3 and phototransistor Tr9, the stylus switch Tr3 and Tr4, the paper-detect transistor Tr5, and the +50 V converter Tr1, Tr2, D1 and C4 at the right. No company name or drawing number appears on the sheet.

Detail rendered from File:Ferranti Archives PRN-SIN-SCH-012 ZX Printer hand-drawn circuit diagram, 2 March 1982.pdf: cropped to the drawing (the lower half of the sheet is blank) and reduced to 2200 pixels wide. Used on Sinclair ZX Printer.

Licence

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Ferranti Archives 2026: source and terms of use

This scan is part of the Ferranti Archives 2026, a collection of Sinclair-related documents from Ferranti's files, catalogued in 2026 and released through the Happy Little Diodes YouTube channel (video, catalogue). The archive presents the documents for preserving and archiving material of historical interest, and for non-commercial, educational and archival research. Its terms state that consent is strictly limited to non-commercial use, and that any commercial exploitation of the documents or their contents, including use in connection with the manufacture, marketing or sale of goods, is strictly prohibited by Sky UK Limited.

Copyright remains with the rights holders. The file is not freely licensed and is hosted here for preservation and repair reference only, under the archive's terms. Personal information was redacted by the archive before release; if you find any that remains, please tell [email protected].

File history

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Date/TimeThumbnailDimensionsUserComment
current11:36, 18 October 2026Thumbnail for version as of 11:36, 18 October 20262,200 × 1,040 (1.27 MB)Josh (talk | contribs)Upload for Sinclair ZX81 ULA / Sinclair ZX Printer pages (W5)

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