Brand / Compatible Model: OKI (Okidata Vintage Dot-Matrix Printer Series)

Part Numbers: 4YA4042-1514 (Main Board) & 4YA4021-1050/2PU4005-1318 (Daughterboard)

Condition Category: For Parts or Not Working /Vintage Electronics Salvage

Included: Two (2) interconnected vintage circuit boards with Centronics parallel port and gold-plated edge connector.

Item Description

Up for sale is a vintage circuit board set salvaged from an older OKI dot-matrix printer, featuring the main logic board (Part No. 4YA4042-1514, Made in Japan) and an attached interface expansion card (Part No. 4YA4021-1050). This lot is sold strictly for parts, repair, or component salvage.

Features & Components:

Main Logic Board: Includes classic vintage IC chips (such as OKI HN62444BC24), an aluminum heatsink, electrolytic capacitors, and a heavy-duty Centronics parallel printer port with wire bails.

Expansion Daughterboard: Features gold-plated

card-edge fingers, an Intel 80C51FV568 controller chip, and a Hitachi HM6264ALSP-15 SRAM chip.

Condition: Sold AS-IS for parts or scrap recovery.

Pulled from a vintage unit