Compact Printer Lid and Ribbon Positioning Assembly

Solution Overview

Problem

Conventional printers face challenges in easily replacing consumable components like ribbon cartridges and media supplies due to complex and arduous processes, especially in devices with small form factors, leading to costly downtime.

Innovation Solution

A media processing device with a compact design featuring a hingedly attached lid and a ribbon positioning assembly that pivots between accessible and printing positions, allowing for easy installation and removal of ribbon cartridges, and a tension mechanism to maintain ribbon tension, facilitating quick component replacement while maintaining a compact size.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If the printer uses a compact form factor design, then the device size is reduced, but the ease of replacing consumable components deteriorates

Engineering Contradiction:
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The printer is divided into separable modules: a fixed base and a movable lid assembly that contains the printhead and ribbon cartridge. This segmentation allows the consumable components to be accessed by simply opening the lid, eliminating the need to disassemble the entire device while maintaining a compact footprint.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The lid is designed to be movable between closed and open positions, transforming the static compact structure into a dynamic system. When opened, the lid provides access to the ribbon cartridge and printhead, enabling easy replacement of consumables without compromising the compact closed form factor.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If the printer includes a ribbon positioning assembly that pivots, then the ease of installing ribbon cartridges is improved, but the device complexity increases

Engineering Contradiction:
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The ribbon positioning assembly is combined with the lid structure, so that the lid opening motion simultaneously provides access to and positions the ribbon cartridge. This merging eliminates the need for separate positioning mechanisms, reducing overall device complexity while maintaining ease of installation.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The ribbon cartridge is designed with self-aligning features that automatically position it correctly within the printhead assembly when the lid is opened. The cartridge's own geometry and the assembly channel work together to guide proper installation without requiring additional active positioning mechanisms.

Inventive Principle:
Principle #25Self-service

3Volume of moving object

If the printer maintains a compact form factor, then the device size is reduced, but the productivity during maintenance operations decreases

Engineering Contradiction:
Core Design Contradiction:
Volume of moving objectVSProductivity

Solution Approach 1:

The ribbon cartridge is pre-loaded into the ribbon positioning assembly within the lid before the printing operation begins. This preliminary action allows the cartridge to be positioned and secured in advance, so that when maintenance is needed, only the lid needs to be opened for quick replacement, maximizing productivity during maintenance while maintaining compact size.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3851289B1Media processing device with enhanced media and ribbon loading and unloading features
Publication Date: 2023.09.27
  • EP3851289B1 patent drawingFigure 1
  • EP3851289B1 patent drawingFigure 2
  • EP3851289B1 patent drawingFigure 3

AI summary

A device for processing media may include a system and method for loading and unloading consumable supplies of a media processing device, and more particularly, a system and method for providing a compact form factor media processing device which provides convenient access to the replaceable components of the media processing device. A media processing device may include a base and a lid hingedly attached to the base, moveable between a closed position in which the lid is secured to the base, and an open position. A cavity may be defined between the lid and the base, where the cavity is inaccessible when the lid is in the closed position and the cavity is accessible when the lid is in the open position. The media processing device may include a ribbon positioning assembly disposed within the cavity.