Epson Stylus Pro 7700 Service Manual page 143

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