Driving Time-Out Error; Velocity Deviation Error; Lock 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
148C Wiper Reversing error
Driving time-out
148D Wiper
error
Velocity deviation
Wiper
148E
error
Wiper

Lock error

148F
Ink Selector Ink selector error
1494
Ink selector sensor
1496 Ink Selector
error detection
Switching time-out
1497 Ink Selector
error
Driving time-out
Ink Selector
149D
error
TROUBLE SHOOTING
Description
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
Ink select operation failed.
Ink Selector Motor is broken.
Ink Selector Sensor is broken.
Ink Selector is overloaded.
Ink select operation failed.
Ink Selector Sensor is broken.
The ink selecting operation does not end even after the specified period
of time has passed because the Ink Selector (the sensor or motor) is
broken.
Detects that the driving period is irregularly long.
Irregular load
Firmware becomes out of control.
Remedies for Service Call Error
Remedy
Check the connection between the Ink System Unit and the Main Board
Assy.
Replace the Ink System Unit. (See P.266)
Replace the Main Board Assy. (See P.228)
Replace the Ink System Unit. (See P.266)
Replace the Main Board Assy. (See P.228)
Check the connection between the Ink System Unit and the Main Board
Assy.
Replace the Ink System Unit. (See P.266)
Check the connection between the Ink Selector and the Main Board
Assy.
Replace the Ink Selector. (See P.300)
Replace the Main Board Assy. (See P.228)
Check the connection between the Ink Selector and the Main Board
Assy.
Replace the Ink Selector. (See P.300)
Replace the Main Board Assy. (See P.228)
Replace the Ink Selector. (See P.300)
Replace the Main Board Assy. (See P.228)
Revision I
144
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