Power-On Sequence - Epson Stylus NX100 Service Manual

Epson Stylus NX100/105/SX100/105/TX100/101/102/103/105/106/109/ME 300/ME OFFICE 360/NX110/115/SX110/115/TX110/111/112/113/115/117/119

2.2 Power-On Sequence

This section describes the power-on sequences for this product.
Condition
Completing ink charge.
No paper on the paper path.
The Printhead is capped with the Cap of the Ink System.
The Carriage is locked by the CR Lock.
Table 2-3. Operation of the power-on sequence
*1
Operation
1. Checking waste ink overflow
1-1.Reads out the protection counter value to check waste ink overflow.
2. Seeking the home position
2-1.The carriage moves to the 80-digit side slowly and confirms it
touches the CR lock.
2-2.The carriage moves to the 0-digit side slowly to leave from the CR
lock.
2-3.Checks if paper does not exist with the PE sensor and the PF Motor
rotates clockwise to release the CR lock.
2-4.The carriage moves to the 80-digit side slowly and confirms that the
CR lock is released.
2-5.The carriage quickly moves to the 80-digit side by the Left Frame.
2-6.After the carriage continuously moves to the 80-digit side slowly
and confirms it touches the Left Frame, sets the distance from the
home position to the Left Frame as the theoretical value.
2-7.The carriage quickly moves to the 0-digit side and slows down as it
gets to its home position, and stops there.
3. Low temperature operation sequence
3-1.The carriage moves back and forth between the 0-digit side and the
80-digit side for two times.
OPERATING PRINCIPLES
Carriage/PF roller
movement and position
lock
lock is released
*3
Table 2-3. Operation of the power-on sequence
4. Detecting ink cartridge and initializing ink system
4-1.The carriage moves to the 80-digit side for IES detection.
4-2.The carriage returns to its home position.
4-3.The carriage slowly moves to the CR lock set position.
4-4.The PF Motor rotates clockwise.
*2
4-5.The PF Motor rotates counterclockwise and sets the CR lock.
4-6.The carriage slowly returns to its home position.
Note *1 : The rotation direction of the PF Motor is as follows.
Clockwise direction
Counterclockwise direction : Paper is fed backward
*2 : The conditions of the CR lock are as follows.
Red: CR lock is set
White: CR lock is released
*3 : Executed when the detected temperature is under 5
Printhead.
*4 : The empty sanction operation may occur depending on the situation.
Power-On Sequence
Operation *1
* 4
: Paper is fed normally
o o
C (41 F) by the thermistor on the
Revision C
Carriage/PF roller
movement and position *2
31
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