Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
OPERATING PRINCIPLES      Power-On Sequence 58
Confidential
5-6. The PF Motor rotates counterclockwise 
until reaching the limit to move the EJ 
Frame Assy up to the lowest position 
(default).
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6. APG Initialization
6-1. The carriage moves to the 0-digit side to 
release the Switch Lever from the 
Intermediate Position and shift the 
Transmission Arm to the APG Drive 
Position.
---
6-2. The carriage returns to the home 
position.
---
6-3. The PF Motor rotates counterclockwise 
until reaching the limit to set the PG 
position to PG-.
---
6-4. The PF Motor rotates clockwise until 
reaching the limit to set the PG position 
to PG++.
---
6-5. The PF Motor rotates counterclockwise 
until reaching the limit to set the PG 
position to PG-; which is its default 
position.
---
7. Low temperature operation sequence *
1
7-1. The carriage moves back and forth 
between the 0-digit side and the 80-digit 
side for two times.
---
8. Set to the Intermediate Position
8-1. To avoid applying excess load at the PF 
Measurement next, the carriage moves 
to the 0-digit side and sets the Switch 
Lever to the Intermediate Position.
---
Table 2-6.  Detailed Operations in All Reset Sequence
Operation Printer Operation Status
PF Drive
Shift 
Status
Decom-
pression 
Pump
8-2. The carriage returns to the home 
position.
---
9. PF Motor Measurement
9-1. The PF Motor rotates clockwise until the 
PF Roller turns three times to perform a 
load measurement.
---
10.Detecting ink cartridges and 
initializing the ink system
10-1. After checking the ink end sensor, 
detects the ink remaining.*
2
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11.Printhead's clogged nozzle check by 
AID
11-1. To shift the Transmission Arm to the 
Ink System Drive Position, the carriage 
moves to the Right Frame.
---
11-2.To detect the origin position of the 
Transmission Arm, the PF Motor rotates 
clockwise to confirm the Transmission 
Arm touches the frame.
---
11-3.The PF Motor rotates counterclockwise 
by the specified steps to shift the 
Transmission Arm to the Ink System 
Drive Position.
---
11-4.The carriage returns to the home 
position.
---
11-5.After the necessary flushing is 
completed, the Decompression Pump is 
driven for about one second to suck ink 
from the ink cartridges.
Decom-
pressing
11-6.After checking the temperature of the 
head thermistor, the carriage moves to 
the position for empty suctions, then it 
turns back to the home position.
---
(Continued to the next page.)
Table 2-6.  Detailed Operations in All Reset Sequence
Operation Printer Operation Status
PF Drive
Shift 
Status
Decom-
pression 
Pump