2.4 Power-On Sequence
This section describes the power-on sequences for this product. The preconditions are as follows.
Condition 1: Normal power-on sequence (See
Table 2-6.)
Turning on the printer after turning it off without an error.
Initial ink charge has finished and every cartridge has sufficient ink.
No paper on the paper path.
The Printhead is capped with the Cap of the Ink System Assy.
The Carriage is normally fixed by the CR Lock.
Condition 2: Power-on sequence after recovering from a paper jam error (See Table 2-7.)
Turning on the printer after turning it off with a paper jam error.
There still remains paper on the paper path out of the detecting area of the PE sensor.
Table 2-6. Condition 1: Normal Power-on Sequence
*1
Operation
*2
Carriage/PF Roller
movement and
position
*3
1. Printhead initialization
1-1.Initializes the Printhead, and checks for the fuse on the board in the Printhead.
*4
2. Checking for waste ink overflow
2-1.Checks the waste ink counter if the waste ink overflow is occurring.
3. Avoiding deadlock sequence
*5
3-1.The carriage moves to the 0-digit side slowly and confirms it touches the Right Frame.
3-2.The carriage slightly moves to the 130-digit side slowly.
3-3.The PF Motor rotates clockwise, and releases the CR lock.
4. Seeking the home position
4-1.The carriage moves to the 0-digit side slowly and confirms it touches the Right Frame. The position when it
touches the Right Frame is set as the origin position temporarily.
4-2.The carriage slowly moves to the CR lock set position.
4-3.The PF Motor rotates counterclockwise, and sets the CR lock.
4-4.The carriage moves to the 130-digit side slowly and confirms it touches the CR lock.
4-5.The carriage slowly moves toward the 0-digit side and reaches the CR lock set position.
4-6.The PF Motor rotates clockwise, and releases the CR lock.
4-7.The carriage moves to the 130-digit side slowly and confirms it does not touch the CR lock.
4-8.The carriage slowly moves to its home position, and the origin position is fixed.
Afterward, the carriage position is monitored according to the signals from the CR Encoder.
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