Overload Error; Over Speed Error; Cutter Hp Detection Error; Motor Disconnection Error - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
Error Details
Error Code
Failed Part Error Name
Driving time-out
153D Driven Roller
error
Velocity deviation
153E Driven Roller
error
153F Driven Roller Lock error
Cutter HP detection
Cutter
1540
error
Motor disconnection
1549 Cutter
error
154A Cutter

Overload error

Cutter

Over speed error

154B
TROUBLE SHOOTING
Description
Detects that the driving period is irregularly long.
Irregular load
Firmware becomes out of control.
Detects that it is being driven at an irregularly faster speed than the
specified value.
Irregular load
Encoder failure
Motor driver failure
Motor failure
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
The home position of the Cutter is not detected.
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
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
Detects that it is being driven at an irregularly faster speed than the
specified value just before stopping.
Irregular load
Encoder failure
Remedies for Service Call Error
Remedy
Replace the Main Board Assy. (See P.228)
Replace the Driven Roller Release Motor.
(See P.253)
Replace the Main Board Assy. (See P.228)
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)
Check the connection of the Cutter Sensor.
Replace the Cutter Unit. (See P.257)
Check the connection between the Cutter Unit and the Main Board
Assy.
Replace the Cutter Unit. (See P.257)
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)
Replace the Cutter Unit. (See P.257)
Revision I
138
Confidential