Printer Control Device Service Notification Timing

The control device performs preliminary actions by detecting communication state changes and proactively displaying notification messages that prompt users to subscribe to services. This preliminary notification approach initiates the subscription process before users might otherwise forget or miss the opportunity, thereby increasing activation rates while still allowing users to make the final subscription decision themselves.

Instead of continuous notification display, the system employs periodic action by triggering notification messages only at specific moments when communication state changes occur (transitioning from disabled to enabled state). This timing-based approach ensures users receive necessary service information without being subjected to constant notifications, thereby maintaining awareness while reducing annoyance and notification fatigue.

The control device utilizes feedback mechanisms by monitoring communication state changes between the printer and server. When a specific state transition occurs (from communication-disabled to communication-enabled), the system triggers the appropriate notification message. This event-driven feedback approach ensures timely service notifications are delivered at meaningful moments without requiring constant active monitoring, thereby maintaining notification timing accuracy while reducing unnecessary energy consumption from continuous polling.