Printing Apparatus Recess Prevents Paper Wrapping
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In printing apparatuses, when the outlet is blocked, recording paper can wrap around the platen roller, causing the feeding motor to overload and enter an error state due to obstruction, as it is not designed to handle blockages effectively.
Innovation Solution
A recess is provided between the feeding roller and the outlet, extending in a direction intersecting the paper feed path, with a depth larger than its opening width, allowing the paper to fold into a bellows shape and store within the recess, reducing the likelihood of wrapping around the platen roller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the outlet is blocked by a user's hand or the like during printing, then the recording paper cannot be discharged properly, but the platen roller may wrap around the recording paper causing the feeding motor to overload and enter an error state
Solution Approach 1:
A recess is introduced as an intermediary space between the platen roller and the outlet. When the outlet is blocked, the recording paper folds into a bellows shape and stores in this recess rather than wrapping around the platen roller, preventing motor overload and maintaining printing functionality
Solution Approach 2:
The recess extends in a second direction intersecting the first direction (paper feed path) from the platen roller toward the outlet. The recess has a depth in the third direction larger than its opening width in the first direction, creating a three-dimensional storage space that accommodates folded paper in a bellows shape
Data Source
AI summary
A printing apparatus includes a rolled paper holder configured to accommodate rolled paper that is a roll of recording paper, a platen roller that feeds recording paper drawn from the rolled paper accommodated in the rolled paper holder toward an outlet, and a recess that extends in a second direction intersecting a first direction from the platen roller toward the outlet and provided between the platen roller and the outlet. The dimension of the recess in a third direction that is a depth direction of the recess is larger than the opening width of the recess in the first direction.