Epson Stylus Pro 7710 Service Manual page 107

Epson Stylus Pro 7700/7710/7900/7910/9700/9710/9900/9910
Error Details
Error Code
Failed Part Error Name
143B Cap Over speed error
143C Cap Reversing error
Driving time-out
143D Cap
error
Velocity deviation
143E Cap
error
143F Cap Lock error
Pressurizing
144A Overload error
Pump
Pressurizing
Over speed error
144B
Pump
TROUBLE SHOOTING
Description
Detects that it is being driven at an irregularly faster speed than the
specified value just before stopping.
Irregular load
Encoder failure
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
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 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 Ink System Unit. (See P.205)
Check the connection between the Ink System Unit and the Main Board
Assy.
Replace the Ink System Unit. (See P.205)
Replace the Main Board Assy. (See P.167)
Replace the Ink System Unit. (See P.205)
Replace the Main Board Assy. (See P.167)
Check the connection between the Ink System Unit and the Main Board
Assy.
Replace the Ink System Unit. (See P.205)
Check the connection between the Pressurizing Unit and the Main
Board Assy.
Replace the Pressurizing Unit. (See P.214)
Replace the Pressurizing Unit. (See P.214)
Revision D
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