Multi-function Printer Side Cover Cartridge Access
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Solution Overview
Problem
Existing multi-function printers face difficulties in operability when exchanging consumable elements like developer cartridges, especially when a scanner unit is integrated, as the layout complicates the detachment and attachment process, making it cumbersome and space-intensive.
Innovation Solution
A multi-function printer design that includes a side cover and support unit allowing easy access to developer cartridges by opening the side cover, enabling them to be detached or attached from the front side, while maintaining a compact size by not requiring additional space for cartridge exchange, and allowing easy jam handling and document operation from the same side.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If toner cartridges are arranged on one end side of developing rollers, then the layout is simplified, but the operability for exchanging consumable elements deteriorates
Solution Approach 1:
The patent divides the cartridge arrangement into separate regions: developing rollers are positioned in the central region while toner cartridges are arranged in the peripheral region. This segmentation allows independent access to consumable elements without requiring disassembly of the entire device, thereby improving operability while maintaining layout simplicity.
Solution Approach 2:
The patent transitions from a linear one-dimensional arrangement to a two-dimensional distributed arrangement where cartridges are positioned around the periphery of the developing roller assembly. This dimensional change enables multi-directional access to consumable elements, significantly improving ease of operation for users.
2Stability of the object's composition
If developing cartridges and toner cartridges are arranged in parallel, then the structure is stable, but the space occupation increases and maintenance becomes more difficult
Solution Approach 1:
The patent implements a nested arrangement where toner cartridges are positioned within the peripheral space surrounding the developing roller assembly, effectively utilizing the central structure's outer dimension. This nesting approach allows multiple cartridge types to coexist in a compact configuration, reducing overall space occupation while maintaining structural stability through the integrated arrangement.
3Adaptability or versatility
If a scanner unit is integrated above the image forming apparatus, then functionality is enhanced, but the space for cartridge exchange is reduced
Solution Approach 1:
The patent segments the internal space into distinct functional zones: the scanner unit occupies the upper region while the developing and toner cartridge assemblies are positioned in the lower peripheral region. This spatial segmentation allows both the scanner functionality and cartridge exchange access to coexist without interfering with each other, maintaining full functionality while preserving adequate space for maintenance operations.
Data Source
AI summary
A multi-function printer includes an image forming unit and a scanner unit. The image forming unit includes a body casing, a developing unit having a developing roller extending in a lateral direction, a developer cartridge provided on one side of the axis of the developing roller and detachably attached to the body casing, a discharge tray, a side cover, a support unit for supporting the developer cartridge such that the developer cartridge is detachably attached to a front side of the body casing, a sheet feeding tray detachably attachable to the front side of the body casing, and a discharge unit provided on the front side of the body casing and discharging sheet on which an image is formed to the rear side of the body casing. The scanner unit is provided above the image forming unit having a predetermined space opened on the one side therebetween.