Epson Stylus Pro 9900 - Page 135

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
TROUBLE SHOOTING Remedies for Service Call Error 135
Confidential
122E
PF
Velocity deviation
error
Detects that it is being driven at an irregularly faster speed than the
specified value.
 Irregular load
 Encoder failure
 Motor driver failure
 Motor failure
Replace the PF Encoder Sensor. (See P.263)
Replace the Main Board Assy. (See P.228)
Replace the PF Motor. (See P.264)
122F
PF Lock error
Detects that it is being driven at an irregularly slower speed than the
specified value.
 Encoder cable is damaged.
 Motor cable is damaged.
 Irregular load
 Encoder failure
 Motor failure
Check if there is some foreign material causing extra load between the
PF Motor and the PF roller.
Check the connection between the PF Encoder Sensor and the Main
Board Assy.
Check the connection between the PF Motor and the Main Board Assy.
Replace the PF Encoder Sensor. (See P.263)
Replace the PF Motor. (See P.264)
151A
APG Overload error
The electric current flowing when driving the motor is irregularly large.
 Encoder cable is damaged.
 Motor cable is damaged.
 Irregular load
 Encoder failure
 Motor failure
Check if there is some foreign material causing extra load between the
APG Motor and the carriage unit.
Check the connection between the APG Motor Sensor and the Main
Board Assy.
Replace the APG Motor. (See P.243)
151B
APG Over speed error
Detects that it is being driven at an irregularly faster speed than the
specified value just before stopping.
 Irregular load
 Encoder failure
Replace the APG Motor. (See P.243)
151C
APG Reversing error
Detects that it is being driven in the opposite direction to the specified
driving direction.
 The polarity of encoder cable is opposite.
 The polarity of motor cable is opposite.
 Encoder failure
 Irregular load
Check the connection between the APG Motor Sensor and the Main
Board Assy.
Replace the APG Motor. (See P.243)
151D
APG
Driving time-out
error
Detects that the driving period is irregularly long.
 Irregular load
 Firmware becomes out of control.
Replace the Main Board Assy. (See P.228)
Error Code
Error Details
Description Remedy
Failed Part Error Name