Canon 1692B002 Service Manual - Page 44
Operation Sequence at Power-off
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Chapter 2 Power Button ON Device/resource initializarion Engine status check Printhead/ ink tank check Media feed system initialization Recovery system initialization Carriage position initialization 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 Remaining ink level detection/ Waste ink level detection Power-on automatic recovery operation Capping Waiting for print operation F-2-2 2.2.2 Operation Sequence at Power-off 0012-6311 Turning off the power switch cuts off the drive voltage supply, launching a firmware power-off sequence as shown below. If the power cord is disconnected from the wall outlet or the upper cover or any other cover is opend, the printer cancels the ongoing operation and shuts down immediately. Since printhead capping may or may not have been carried out properly, reconnect the power cord to the wall out and turn on the power switch. Making sure that the printer has entered online mode, turn off the power switch. 1. Power-off sequence 2-2