Epson Stylus Pro 9900 - Page 143

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 143
Confidential
144E
Pressurizing
Pump
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 Pressurizing Unit. (See P.275)
Replace the Main Board Assy. (See P.228)
144F
Pressurizing
Pump
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 the connection between the Pressurizing Unit and the Main
Board Assy.
Replace the Pressurizing Unit. (See P.275)
1536
Pressurizing
Pump
Pressurizing reset
error
The pressurizing cannot be reset. The Pressure Sensor remains on, even
after the pressurizing has been reset.
Replace the Pressurizing Unit. (See P.275)
1537
Pressurizing
Pump
Pressurizing error
The motor driving does not end even after the specified period of time
has passed.
Check the connection of the Pressurizing Unit.
Check the connection of the Pressure tubes.
Replace the Pressurizing Unit. (See P.275)
1488
Flushing Box
Flushing box
position error
Detects that the Flushing Box is not set in the correct position. Turn the printer off once, then turn it on again.
Install the latest firmware.
Replace the Ink System Unit. (See P.266)
1489
Wiper Wiper error
The home position of the Wiper is not detected. Check the connection of the Wiper HP Sensor.
Replace the Ink System Unit. (See P.266)
148A
Wiper 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 Wiper
system.
Check the connection between the Ink System Unit and the Main Board
Assy.
Replace the Ink System Unit. (See P.266)
148B
Wiper 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 Ink System Unit. (See P.266)
Error Code
Error Details
Description Remedy
Failed Part Error Name