New Epson LQ-850+ Mono DOT Matrix Printer

Product Specifications & Hardware Details

• Brand: Epson
• MPN: A019011
• Model: LQ-850+
• Type: 24-Pin Narrow-Carriage Impact Dot Matrix Printer
• Standard Functions: Letter-Quality Document Printing, Multipart Form Processing, Compact Data Ingestion, Continuous Tractor-Feed Management
• Optional Functions: Serial Interface Connectivity, Cut-Sheet Feeder Attachment, Tractor Upgrades
• What's Included in the Box: Epson LQ-850+ Impact Printer, Built-In Push Tractor Feeder, Fabric Black Ribbon Cartridge, Platen Knob, Paper Guide Tray, and User Installation Manual.
• Required Items (Sold Separately): Continuous pin-feed tractor paper tracking stock, single-sheet paper, and a compatible Centronics parallel interface connection cable.

Technical Specifications

Available Options & Consumables

We stock a full range of official accessories and replacement supplies for the Epson LQ-850+. You can add these to your order directly from the accessories tab below:

• Ribbon Cartridges: Premium Replacement Black Fabric Ribbon Cartridges (Epson #7753)
• Paper Feed Attachments: Single-bin automated Cut Sheet Feeder options for processing discrete paper batches
• Tractor Upgrades: Optional Pull Tractor Unit for specialized continuous paper path tracking configurations
• Interface Expansion Cards: Optional Epson Serial Interface Cards or Buffer Expansion Modules

Frequently Asked Questions (FAQ)

• What separates the LQ-850+ from the baseline LQ-850 model?
  The core printhead resolution and physical footprint are entirely identical. The "+" edition features updated internal firmware optimization parameters, enhanced tracking data paths, and better driver stability to improve communication performance during high-speed printing routines.
• What is the benefit of a 24-pin printhead over a standard 9-pin printhead?
  The 24-pin wire array uses smaller, more tightly clustered impact needles. This allows the system to strike finer dot configurations, producing true Letter-Quality (LQ) text outlines that match professional typewriter standards, while 9-pin systems output blockier Draft fonts.
• Can I run single office sheets or invoices without unthreading my continuous forms?
  Yes. This device features a built-in paper parking configuration. Toggling the physical paper release lever backs your continuous forms behind the platen area safely, letting you slide single sheets, forms, or custom corporate envelopes over the friction rollers without removing your tractor paper from the pins.
• How do I change baseline parameters like line spacing, emulation, or character maps?
  Hardware baselines are managed via physical onboard DIP switch rows situated on the printer mainframe panel. These switches allow you to choose between Epson ESC/P mode and IBM emulation mode, change default character sets, toggle auto-line feed status, or shift standard page length settings between 11 inches and 12 inches.