Epson Stylus COLOR 760 Service Manual page 56

EPSON Stylus COLOR 760
See the following tables which show the error conditions and
corresponding possible causes.
Table 3-4. Error Condition and the Possible Causes
No. Error Condition
1. Failure in paper feeding
1 Paper Out Error
(Refer to Section
2. Connector for the PE sensor is disconnected.
3.1.1.1.)
3. The PE sensor actuator is acting improperly.
The sensor base is not fixed properly.
4. The PE sensor is defective.
5. ASF dose not move correctly
1. The paper in use is longer than specified.
2 Paper Jam Error
(Refer to Section
2. The PE sensor remains on because it is covered with
3.1.1.2.)
paper debris or dust.
3. The PE sensor actuator is not acting properly.
The sensor base is not fixed properly.
4. The PE sensor is defective
5. The Hopper Release Lever is not assembled correctly.
1. The counter is not showing the actual remaining ink
3 NO I/C or Ink Out
level.
Error (Refer to
Section3.1.1.3)
2. Ink cartridge sensor actuator is not acting properly.
3. The micro switch is not mounted correctly.
The connector (green) is disconnected.
4. The connector (green, 3-pin) on the small board
directly attached to the printhead surface side is
disconnected. Note the connector (green, 4-pin) is
irrelevant as it is for the encoder.
5. The micro switch is defective.
6. The value for the ink consumption counter in the
EEPROM is destroyed.
4 Maintenance Usual waste ink over-flow is requested.
Error (Refer to
Note this error can be cleared by the special function
Section 3.1.1.4))
through the control panel operation.
Otherwise, you can perform the waste ink counter by
using the Asjustment program.
Troubleshooting
Possible Causes
Overview
Table 3-5. Error Condition and the Possible Causes (continued)
No. Error Condition
1. The CR Encorder FFC has come off from the CR
5 Fatal Error
Encorder Sensor board.
(Refer to Section
The CR Encorder sensor is not mounted in the CR
3.1.1.5)
Assy.
2. The CR Liner scale has come off.
The CR Liner scale is not placed through the encoder
located at the back of the carriage.
3. The ASF sensor has come off.
The connector for the ASF sensor is not disconnected.
4. The ASF sensor is defective or dose not detect the
ASF HP position caused by any factor.
5. The PF/CR Encorder Sensor is defective or dose not
detect the slite pattern on the each scale.
6. The coil for the CR motor has burnt.
7. The coil for the PF motor has burnt.
8. ASF Gear 32 is disengaged to the Combination Gear
14,28 which is assembled in the DE unit.
Revision C
Possible Causes
56