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 Revision C
OPERATING PRINCIPLES Power-On Sequence 31
Confidential
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.
Note *1 : The rotation direction of the PF Motor is as follows.
Clockwise direction : Paper is fed normally
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
o
C (41
o
F) by the thermistor on the
Printhead.
*4 : The empty sanction operation may occur depending on the situation.
Table 2-3. Operation of the power-on sequence
Operation
*1
Carriage/PF roller
movement and position
*2
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
3-1.The carriage moves back and forth between the 0-digit side and the
80-digit side for two times.
lock
lock is released
4. Detecting ink cartridge and initializing ink system
* 4
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.
4-5.The PF Motor rotates counterclockwise and sets the CR lock.
4-6.The carriage slowly returns to its home position.
Table 2-3. Operation of the power-on sequence
Operation
*1
Carriage/PF roller
movement and position
*2