Controller Selective Warning Display for Consumable Shortages
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Solution Overview
Problem
Existing image forming apparatuses often display unnecessary warning indications for consumable shortages, leading to user frustration, especially on devices with limited display space, as they fail to differentiate between necessary and unnecessary warnings based on user preferences and available functions.
Innovation Solution
An image forming apparatus with a controller that selectively displays warnings only when the consumable level is low for the specific function selected by the user, inhibiting display changes when a warning is already shown for a function the user cannot perform due to consumable shortages, ensuring relevant information is displayed without overwhelming the user with unnecessary alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a warning indication is displayed for consumable shortage, then the user is informed of the shortage, but the user experiences frustration when the warning is unnecessary for the desired function
Solution Approach 1:
The system applies different warning strategies based on the specific function the user wants to execute. Instead of displaying a universal warning for all consumable shortages, the controller selectively displays warnings only when the consumable shortage affects the desired function. This localizes the warning information to be relevant to the user's specific operation context.
Solution Approach 2:
The warning display is made dynamic by continuously monitoring both the consumable level and the user's selected function. The system adjusts its warning behavior in real-time based on the interaction between consumable status and function requirements, switching between warning and non-warning states as conditions change.
2Loss of information
If a warning indication is displayed on a small display screen, then the user is notified of the consumable status, but other important information cannot be displayed
Solution Approach 1:
The system dynamically adjusts display content based on operational context. When a consumable shortage warning is active and relevant to the current function, the system prioritizes displaying this critical warning information. When the warning is not relevant, the display switches to showing other important information such as function status or setup messages, optimizing the limited display space for the most pertinent information at any given time.
3Ease of operation
If the display switches to show function information when a function is selected, then the user can see operational details, but the warning indication is lost when it is relevant
Solution Approach 1:
The system performs preliminary assessment of whether a consumable shortage warning is relevant to the selected function before allowing display switching. This preliminary check ensures that critical warning information is preserved in the display context, preventing the loss of important warnings while still allowing function information to be displayed when appropriate.
Data Source
AI summary
An image forming apparatus includes a plurality of functions including a function of executing an operation involving use of a consumable, a selecting unit that selects one function from the plurality of functions, a detector that detects a remaining level of the consumable and a controller. The controller is operable to switch displayed contents to information corresponding to the one function when the one function is selected, instruct execution of an operation corresponding to the changed displayed information, display a warning indication when the remaining level of the consumable is not more than a predetermined level, determine whether the selected one function is the function of executing the operation involving use of the consumable, and inhibit the switching the displayed contents when one function is selected and is determined to be the function of executing the operation involving use of the consumable while the warning indication is displayed.