Epson Stylus Pro 9900 - Cutter HP Detection Error; Motor Disconnection Error; Over Speed Error; Overload Error

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 138
Confidential
153D
Driven Roller
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)
153E
Driven Roller
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 Driven Roller Release Motor.
(See P.253)
Replace the Main Board Assy. (See P.228)
153F
Driven Roller 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 on the driven
roller release system.
Check the connection between the Driven Roller Release Motor and the
Main Board Assy.
Replace the Driven Roller Release Motor.
(See P.253)
1540
Cutter
Cutter HP detection
error
The home position of the Cutter is not detected. Check the connection of the Cutter Sensor.
Replace the Cutter Unit. (See P.257)
1549
Cutter
Motor disconnection
error
The Cutter Unit operation is not detected even the electric current flows
when the printer is turned on.
 Encoder cable is damaged.
 Motor cable is damaged.
 Encoder failure
 Motor failure
 Irregular load
Check the connection between the Cutter Unit and the Main Board
Assy.
Replace the Cutter Unit. (See P.257)
154A
Cutter 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 on the Cutter
Unit.
Check the connection between the Cutter Unit and the Main Board
Assy.
Replace the Cutter Unit. (See P.257)
154B
Cutter 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 Cutter Unit. (See P.257)
Error Code
Error Details
Description Remedy
Failed Part Error Name