Power-On Sequence - Epson Stylus Photo R3000 Service Manual

Epson Stylus Photo R3000

4.1 Power-On Sequence

This section describes the power-on sequences for this product. The conditions are as follows.
 Conditions

Initial ink charge has finished.

The Front Tray Assy is set at the standard paper printing position without roll paper loaded.

No paper on the paper path.

Turned off normally without any error.

The Printhead is capped with the Cap of the Ink System Assy.

The PG position is PG 2.

The Carriage is normally fixed by the CR Lock.

The ink cartridges with sufficient ink are installed, and no ink low or ink end error is occurring.
The following explains how to use the simplified diagrams in
the movement of each component as seen from the front of the printer.
The rotation direction of the ASF Motor.
CW: LD Roller rotates backward
CCW:LD Roller rotates normally
The following shows clockwise rotation.
The rotation direction of the PF Motor
Clockwise:
Paper is fed normally
Counterclockwise:
Paper is fed backward
The above shows clockwise rotation.
1. Checking waste ink overflow
1-1.Reads out the protection counter value to check waste ink overflow.
2. APG initialization
2-1.The APG Motor rotates counterclockwise until the PG position is set to PG:5 to
initialize the APG mechanism.
3. Seeking the home position
3-1.The carriage moves to the 0-digit side slowly and confirms it touches the Right
Frame.
3-2.The carriage moves to the 130-digit side slowly and confirms it touches the CR lock.
Appendix
(Paper is fed)
130
Figure 4-1. How to use the simplified diagrams
Table 4-1. Operation of the power-on sequence
Operation
Digit number of CR
HP
LD Roller
PF Roller
130
130
130
130
Power-On Sequence
Table 4-1. The diagrams show
PG variation by APG Motor drive
PG becomes narrower (down-arrow):
Clockwise rotation
PG becomes wider (up-arrow):
Counterclockwise rotation
The following shows when PG is narrow.
0
Carriage
PG position
Shows "PG 2" position.
PG 5
PG 2
The condition of the CR lock
Red: CR lock is set
White:CR lock is released
The above shows the CR lock is set.
Movement of each Pump
component Motor
HP 0
PG 5
PG 2
HP 0
PG 5
PG 2
HP 0
PG 5
PG 2
HP 0
PG 5
PG 2
(Continue to the next page)
Revision A
Decomp
*1 *2
Motor
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