Power-On Sequence - Epson L800 Service Manual

L800/L801

4.1 Power-On Sequence

This section describes the power-on sequences.
¸ Condition
̈
Completing ink charge.
̈
No CDR Tray and no paper on the paper path.
̈
The stacker is not set on the CDR printing position.
̈
The Printhead is capped with the Cap of the Ink System.
̈
The Carriage is locked by the CR lock.
Table 4-1. Operation of the power-on sequence
Operation
1. Checking waste ink overflow
1-1.Reads out the protection counter value to check
waste ink overflow
2. Avoiding deadlock sequence
2-1.The carriage moves to the 0-digit side slowly and
confirms it touches the Right Frame.
2-2.The carriage slightly moves to the 80-digit side.
2-3.The PF Motor rotates clockwise and releases the
CR lock.
2-4.The carriage moves to the 0-digit side slowly and
confirms it touches the Right Frame.
2-5.The carriage returns to its home position.
3. CDR Tray Sensor check
3-1.Checks with the CDR Tray Sensor if the CDR
Tray is not set.
3-2.The PF Motor rotates clockwise to eject the CDR
Tray.
Appendix
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Carriage/PF roller
*1
movement and position
CR lock
*4
CR lock
is released
manuals search engine
4. Releasing the CR lock
4-1.The PF Motor rotates clockwise and releases the
CR lock.
5. Seeking the home position
5-1.The carriage slowly moves to the 80-digit side.
5-2.The carriage moves to the 0-digit side slowly and
confirms it touches the Right Frame.
5-3.The carriage slowly moves to the CR lock set
position.
*3
PG
5-4.The PF Motor rotates clockwise and releases the
*2
CR lock.
Any
CR
5-5.The PF Motor rotates counterclockwise and sets
position
the CR lock.
5-6.The carriage moves to the 80-digit side slowly and
confirms it touches the CR lock.
5-7.The carriage slowly moves to the 0-digit side to
the CR lock set position.
5-8.The PF Motor rotates clockwise and releases the
CR lock.
5-9.The carriage moves to the 80-digit side slowly and
confirms it does not touch the CR lock.
5-10.The carriage slowly moves to its original
position, and home position is fixed.
Afterward, the carriage position is monitored
according to the signals from the CR Encoder.
6. Resetting APG
6-1.The carriage slowly moves to the Right Frame and
stops there.
Table 4-1. Operation of the power-on sequence
*1
Operation
movement and position
Revision A
Carriage/PF roller
*3
PG
*2
Any
position
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