Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
Artisan 835/725/PX820FWD/TX820FWD/PX720WD/TX720WD
  Operation principles 259
Confidential
Note *1 : Executed when the detected temperature is under 5 
o
C (41 
o
F) by the thermistor on 
the Printhead.
*2 : A periodic empty suction may be performed depending on the status.
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.
---
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
---
11.CR lock setting
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.
---
Table 8-2.  Detailed operations in All Reset Sequence
Operation Printer Operation Status
PF Drive
Shift 
Status
Decom-
pression 
Pump
11-4.The carriage returns to the home 
position.
---
11-5. The PF Motor rotates clockwise to set 
the CR lock.
---
Table 8-2.  Detailed operations in All Reset Sequence
Operation Printer Operation Status
PF Drive
Shift 
Status
Decom-
pression 
Pump