Firmware; Operation Sequence At Power-On - Canon imagePROGRAF iPF815 Service Manual

2.2 Firmware

2.2.1 Operation Sequence at Power-on

The sequence of printer operations, from power-on to transition to online mode, is flowcharted below. The printer takes less than 1 minute to initialize itself(*).
* Excluding the times spent supplying inks and cleaning the printhead after leaving the printer for extended periods of time.
Power Button ON
Device/resource
initialization
Engine status check
Printhead/
ink tank check
Media feed system
initialization
Recovery system
initialization
Carriage position
initialization
Remaining ink level detection/
Waste ink level detection
Power-on
automatic recovery operation
Capping
Waiting for print operation
- Initialization of software
- Initialization of various devices
- Engine startup status check
- Previous power-off status check,etc.
- Printhead installation status check
- Ink tank installation status check
- EEPROM check
- Cassette pick-up unit initialization
- Roll feed unit initialization
- Roll feed unit initialization
- Sensor check
- Recovery system return to origin
- Sensor check
- Carriage motor return to origin
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Chapter 2
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