Epson Stylus PHOTO RX640 Service Manual page 29

EPSON Stylus PHOTO RX640/650
Category Error Code
FBH PF acceleration lock error
FEH PF speed over error
Measurement value error in PF Duty
FAH
limiting control
EFH Position error in PF BS control
F0H DTY_max error in PF BS control
F2H PF PID drive time-out judgment error
DC error
(PF motor)
F3H PF BS drive time-out judgment error
70H APG error (normal drive error)
71H APG home seek error
APG motor
72H Error in APG drive by factory command
CR (PID) drive time-out
D1H
CR (load positioning) drive time-out
D2H
Motor drive D3H PF (PID) drive time-out
time error
PF (BS) drive time-out
D4H
Factory
command 30H Error by EEPROM verify command
error
Troubleshooting
Table 3-3. Fatal Errors (continued)
Error Cause
An error occurred in the PF
motor operating sequence
An error occurred in the APG
operating sequence
The motor kept operating for
more than the specified time.
Troubleshooting When There is Error Display
Remedy
Checking the PF mechanism by visual inspection:
Check the PF mechanism for paper jam or adhesion of foreign matters by visual
inspection.
Checking the operation of the PF mechanism:
Operate the PF mechanism by hand, and check to see if it operates smoothly.
Making the following adjustments:
♦Bi-D
♦Paper feed length with PF Assy
♦Paper feed length with Eject Assy
♦PW adjustment
Checking the following parts and replace the defective one:
♦Checking the PF Encoder FFC (CN8) for disconnection or breakage
♦Checking the lead wires of the PF Motor (CN4) for disconnection or breakage
♦Checking the PF scale for adhesion of dirt or damage
♦Checking the PF encoder for adhesion of dirt or damage
♦Checking the Upper Paper Guides for improper installation
♦Checking the PF Motor and replacing it if necessary
♦Main Board
(p.46)
♦Power Supply Board
(p.54)
Checking the installation of the APG Sensor: position of the sensor and connection of
the connector (CN9)
Checking the drive of the APG Assy
♦Installation of the composite gear of the ASF Assy ~APG Assy
♦Standalone operation of the APG Assy
♦Reinstallation of the APG Assy (phase)
Checking the following parts and replace the defective one:
♦APG Assy
(p.64)
♦ASF Assy
(p.63)
♦APG Sensor
♦PG Left Cam
(p.67)
♦Main Board
(p.46)
♦Power Supply Board
(p.54)
Checking the mechanism and operation
Check the mechanism and operation of the motor in question.
Checking the connection of the connectors and routing of the lead wires
Checking the motor in question and the following parts and replacing the defective part
♦Main Board
(p.46)
♦Power Supply Board
(p.54)
Checking the following parts and replace the defective one:
♦Main Board
(p.46)
♦Power Supply Board
(p.54)
Revision A
(p.61)
(p.61)
(p.69)
(p.61)
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