Epson Artisan 810 Service Manual page 258
Color inkjet printer
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Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Table 8-2. Detailed operations in All Reset Sequence
Operation
3. PF Initialization
3-1. To initialize the Paper feed mechanism
while no drive force transmitted to any
mechanisms, the carriage moves to the
0-digit side to set the Switch Lever to
the Intermediate Position.
3-2. The carriage returns to the home
position.
3-3. The PF Motor rotates clockwise for
about two seconds.
4. Setting the APG to PG ++
4-1. To shift the Transmission Arm to the
APG Drive Position, the carriage moves
to the Right Frame.
4-2. To detect the origin position of the
Transmission Arm, the PF Motor rotates
clockwise to confirm the Transmission
Arm touches the frame.
4-3. The PF Motor rotates counterclockwise
by the specified steps to shift the
Transmission Arm to the APG Drive
Position.
4-4. The carriage returns to the home
position.
4-5. The PF Motor rotates clockwise until
reaching the limit to set the PG position
to PG++.
5. EJ Frame Reset
5-1. To set the EJ Frame Assy to the default
position, the carriage moves to the 0-digit
side and set the Switch Lever to the
Intermediate Position.
Artisan 835/725/PX820FWD/TX820FWD/PX720WD/TX720WD
PF Drive
Printer Operation Status
Shift
Status
80
HP
0
PG++
PG-
6
80
HP
0
PG++
PG-
6
80
HP
0
PG++
PG-
6
80
HP
0
1
PG++
PG-
80
HP
0
PG++
PG-
80
HP
0
PG++
PG-
80
HP
0
PG++
4
PG-
80
HP
0
PG++
4
PG-
80
HP
0
PG++
PG-
Table 8-2. Detailed operations in All Reset Sequence
Decom-
pression
Operation
Pump
5-2. The carriage returns to the home
position.
---
5-3. The PF Motor rotates counterclockwise
by the specified steps to move the EJ
Release Trigger to the position where
the carriage can press it to the 80-digit
---
side.
5-4. To transmit the PF Motor's drive force to
the EJ Frame mechanism, the carriage
moves quickly to the 80-digit side, and
---
presses the EJ Release Trigger to the
Left Frame with its left side to engage
the related gears.
5-5. The PF Motor rotates clockwise until
reaching the limit to move the EJ Frame
---
Assy up to the highest position.
5-6. The PF Motor rotates counterclockwise
until reaching the limit to move the EJ
---
Frame Assy up to the lowest position
(default).
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++.
Operation principles
Revision G
PF Drive
Printer Operation Status
Shift
Status
80
HP
0
PG++
4
PG-
80
HP
0
PG++
4
PG-
80
HP
0
PG++
4
PG-
80
HP
0
PG++
4
PG-
80
HP
0
PG++
4
PG-
80
HP
0
1
PG++
PG-
80
HP
0
1
4
PG++
PG-
80
HP
0
1
PG++
4
PG-
80
HP
0
PG++
4
PG-
(Continued to the next page.)
Confidential
Decom-
pression
Pump
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258
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