Printer Contract Mode Activation Using Universal Consumables
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Solution Overview
Problem
Conventional flat-rate printing services experience a time lag between contract signing and the availability of dedicated consumables, leading to delays in contract printing.
Innovation Solution
A printing device with a controller that can operate in contract mode or normal mode, using a combination of consumables where a second type consumable can activate contract printing upon server instruction, allowing immediate transition to contract printing state without waiting for dedicated consumables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated consumables are provided after contract signing, then contract printing can be performed, but a time lag occurs between contract signing and service availability
Solution Approach 1:
The printing device is pre-configured with a second type consumable that can immediately activate contract printing mode upon server instruction, eliminating the need to wait for dedicated first type consumables to be delivered. The controller is programmed to receive activation instructions from the server and switch modes using the already-present second type consumable.
Solution Approach 2:
The second type consumable serves multiple functions: it can be used for normal printing operations and also activate contract printing mode when instructed by the server. This multi-functionality allows the same consumable to bridge both normal and contract modes, eliminating the time lag associated with dedicated consumable delivery.
2Reliability
If dedicated consumables are required for contract printing, then contract mode can be activated, but the system complexity increases due to multiple consumable types
Solution Approach 1:
The second type consumable is designed to function in both normal and contract modes, reducing the need for entirely separate dedicated consumables. While first type consumables are specified for contract mode, the system can alternatively use second type consumables with server activation, providing flexibility and reducing overall system complexity.
Solution Approach 2:
The server acts as an intermediary that receives consumable type information from the printing device and determines whether to send activation instructions. This centralized control simplifies the device logic by offloading the decision-making process to the server, reducing the complexity of consumable management within the printing device itself.
3Reliability
If the printing device waits for dedicated consumables, then proper contract printing setup is ensured, but service delivery speed decreases
Solution Approach 1:
The printing device transmits consumable type information to the server, which then provides feedback by sending activation instructions if the second type consumable is detected. This feedback mechanism ensures proper setup verification while enabling rapid service activation without waiting for dedicated consumable delivery.
Solution Approach 2:
The system performs preliminary verification of consumable presence and type before activation. The controller is pre-programmed to recognize second type consumables and respond to server activation instructions, allowing immediate service delivery while maintaining setup correctness through pre-configured validation logic.
Data Source
AI summary
A printing device comprises a housing, a communication interface configured to communicate with a server, and a controller. The printing device is configured to operate either in a contract mode or in a normal mode. The housing is configured such that one or more consumables including a first type consumable and a second type consumable are attachable. The first type consumable is dedicated for the contract printing, and the second type consumable is usable for printing in both the contract mode and the normal mode. The controller is configured to activate the contract mode in response to an activation instruction from the server. In a case where the second type consumable is attached to the housing when the contract mode is activated, the controller changes a state of the printing device to a contract printing state in which the contract printing is activated after activating the contract mode.