Epson Stylus Pro 7700 Service Manual page 133

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
Remedies for Service Call Error
Error Details
Error Code
Failed Part Error Name
CR CR life error
1101
1138 CR Over current error
113A CR Overload error
113B CR Over speed error
CR Reversing error
113C
Driving time-out
113D CR
error
TROUBLE SHOOTING
Description
The number of Carriage movement cycles reached the specified upper
limit. (Ink tube's life)
The electric current flowing when driving the motor is irregularly large.
(To protect the motor driver)
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
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.
Remedies for Service Call Error
Remedy
Replace the ink tube (L & R), and clear the counter using the Service
Program.
In addition, check the statuses of the CR Motor, the driven pulley, the
Carriage Unit, and the Head FFC, if any abnormal noise or wear is
found, replace the corresponding part(s) along with the ink tube.
Check the connection between the CR Encoder and the Main Board
Assy.
Check the connection between the CR Motor and the Main Board Assy.
Replace the CR Encoder Sensor. (See P.238)
Replace the CR Motor. (See P.242)
Check if the Carriage Unit is correctly installed.
Check if there is some foreign material on the driving section of the
Carriage Unit.
Check the connection between the CR Encoder and the Main Board
Assy.
Check the connection between the CR Motor and the Main Board Assy.
Replace the CR Encoder Sensor. (See P.238)
Replace the CR Motor. (See P.242)
Replace the CR Encoder Sensor. (See P.238)
Check the connection between the CR Encoder and the Main Board
Assy.
Check the connection between the CR Motor and the Main Board Assy.
Replace the CR Encoder Sensor. (See P.238)
Replace the Main Board Assy. (See P.228)
Revision I
133
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