Printer Maintenance Section Top Access Design
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Solution Overview
Problem
Ink jet recording apparatuses face difficulties in replacing maintenance units due to insufficient installation space, making it challenging to perform maintenance when there is no operation space secured around the apparatus.
Innovation Solution
The printing apparatus incorporates a maintenance section that moves between facing and non-facing positions, allowing for upward removal when the mounting section is detached, enabling easy replacement even in confined spaces by utilizing the upward discharge space, and includes guides for efficient movement and interference reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the capping unit is designed to be detachable for maintenance, then maintenance accessibility is improved, but the installation space requirement increases
Solution Approach 1:
The patent applies the inversion principle by changing the traditional front-access maintenance approach to a top-access approach. The maintenance section is positioned at the rear of the apparatus but made accessible from the top through the discharge tray opening, allowing maintenance personnel to reach the maintenance section from above rather than from the front, thus eliminating the need for front installation space
Solution Approach 2:
The patent transitions the maintenance access path from the horizontal front dimension to the vertical top dimension. By positioning the maintenance section at the rear and enabling access through the discharge tray opening from above, the design utilizes the vertical dimension to bypass the space constraint in the front horizontal dimension
2Ease of operation
If the maintenance section is positioned at the front for easy access, then maintenance operation is improved, but the discharge space is reduced
Solution Approach 1:
The patent segments the apparatus into distinct functional zones: the discharge tray occupies the front area for medium discharge, while the maintenance section is positioned at the rear. This spatial segmentation allows both functions to operate in their optimal locations without interfering with each other, maintaining adequate discharge space while enabling maintenance access through the top opening
Data Source
AI summary
A printer includes a line head, a cover section, and a discharge tray. The line head performs recording on a medium by ejecting ink from an ejection surface inclined. The cover section is provided to be movable between a facing position at which the cover section faces the line head and a non-facing position located in a downward direction with respect to the facing position and performs maintenance of the line head 40 at the facing position. The discharge tray is provided to be detachably attached to an apparatus main body and has the medium mounted thereon in a state in which the discharge tray is attached to the apparatus main body. In the printer, in a state in which the discharge tray retreats from above the cover section, the cover section is able to be removed in an upward direction.