Cloud Print QR Code Sync for Pull Printing Retention
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Solution Overview
Problem
In cloud printing systems, if the setting for using QR codes is disabled, previously transmitted print jobs are not retained and are directly transmitted to another printing apparatus, preventing the pull printing function from being executed.
Innovation Solution
A mechanism is implemented to synchronize the 'use QR code' setting between the cloud print service and the printing apparatus, ensuring that print jobs are retained and can be printed as desired by coordinating the settings manually and preventing misunderstandings about the availability of pull printing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the setting for using QR codes is disabled, then direct printing is enabled and print jobs are transmitted immediately, but print jobs are not retained and pull printing function cannot be executed
Solution Approach 1:
The printing apparatus dynamically changes its operating mode based on the QR code setting state. When QR code setting is enabled, the apparatus operates in pull printing mode where jobs are retained. When disabled, it operates in direct printing mode where jobs are transmitted immediately. This dynamic adaptation resolves the contradiction by allowing the system to switch between two operational states depending on user needs.
Solution Approach 2:
The printing apparatus provides feedback to the user about its current operating mode through the operation screen. It displays information indicating whether pull printing or direct printing is active, allowing users to understand the current state and make informed decisions. This feedback mechanism helps users comprehend why print jobs are being handled differently based on the QR code setting.
2Adaptability or versatility
If QR code setting is enabled, then pull printing function is provided and jobs are retained, but direct printing cannot be performed
Solution Approach 1:
The system dynamically switches between pull printing and direct printing modes based on the QR code setting. This dynamic behavior allows the apparatus to provide the appropriate printing function according to the configured state, resolving the contradiction between providing pull printing capability and maintaining direct printing option.
Solution Approach 2:
The operational parameters of the printing apparatus change based on the QR code setting state. When QR code setting is enabled, the job retention parameter is activated for pull printing. When disabled, the immediate transmission parameter is activated for direct printing. This parameter change mechanism allows the system to adapt its behavior to different operational requirements.
3Ease of operation
If the QR code setting state differs between cloud print service and printing apparatus, then setting coordination fails and pull printing availability becomes unclear
Solution Approach 1:
The printing apparatus provides feedback to users about the current pull printing availability based on the QR code setting state. It displays information that clearly indicates whether pull printing can be performed, preventing user confusion. This feedback mechanism compensates for potential setting synchronization issues by making the actual operational state transparent to users.
Solution Approach 2:
The operation screen acts as an intermediary that presents a unified view of the printing apparatus's capabilities to the user. It translates the internal QR code setting state into user-friendly information about pull printing availability, ensuring users have accurate information regardless of backend setting coordination status.
Data Source
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Figure 3A~3B
AI summary
The image forming apparatus capable of communicating with a cloud print server system including a cloud print service, the image forming apparatus comprising: one or more memory devices that store a set of instructions; and one or more processors that execute the set of instructions to: display a two-dimensional code including identification information by which the image forming apparatus can be identified, and receive information relating to the two-dimensional code set in the cloud print service, wherein control of whether or not to display the two-dimensional code is performed based on the information relating to the two-dimensional code, and the two-dimensional code is used by the cloud print server system to identify the image forming apparatus and transmit a saved print job.