Epson Stylus Pro 4910 Service Manual page 60

Epson Stylus Pro 4900/Epson Stylus Pro 4910
Code Error Name
1. Connection failure of the Cutter HP Sensor.
2. The electric current flowing when driving the motor is
irregularly large.
Cutter Motor
154A
overload error
Detects that it is being driven at an irregularly faster speed
than the specified value just before stopping.
Irregular load
Cutter Motor
154B Slipping of the teeth of the Cutter Timing Belt.
over speed error
Cutter Motor Assy encoder failure
SUB Board is damaged.
Cutter Motor Assy driver failure
Detects accumulatively more than the specified number of
times that it is being driven in the opposite direction to the
Cutter Motor
specified driving direction.
154C
reversing error
The polarity of Cutter Motor Assy cable is opposite.
Cutter Motor Assy encoder failure
Detects that the driving period is irregularly long.
Cutter Motor
154D Irregular load
driving time-out error
Firmware becomes out of control.
Detects that it is being driven at an irregularly faster speed
than the specified value.
Irregular load
Cutter Motor
154E Slipping of the teeth of the Cutter Timing Belt.
velocity deviation error
Cutter Motor Assy encoder failure
SUB Board is damaged.
Cutter Motor Assy driver failure
1. Connection failure of the Cutter Motor Assy.
2. Detects that it is being driven at an irregularly slower speed
than the specified value.
Cutter Motor
154F
lock error
TROUBLE SHOOTING
Cause
Irregular load
Cutter Motor Assy cable is damaged.
Cutter Motor Assy encoder failure
Cutter Motor Assy failure
Irregular load
Cutter Motor Assy encoder failure
Cutter Motor Assy failure
Remedies for Service Call Error
Check Item
1. Check the connection of the Cutter HP Sensor (CN315) for
disconnection and damage.
2. Check if any abnormal load is applied to the cutter
mechanism.
3. Carry out "Encoder Check" to check if the Cutter Motor
Assy encoder functions normally. (See P.399)
1. Check if the tension of the Cutter Timing Belt is proper.
(See P.381)
2. Carry out "Encoder Check" to check if the Cutter Motor
Assy encoder functions normally. (See P.399)
1. Check the connection of the Cutter Motor Assy (CN222,
CN223) for disconnection and damage.
2. Carry out "Encoder Check" to check if the Cutter Motor
Assy encoder functions normally. (See P.399)
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1. Check if the tension of the Cutter Timing Belt is proper.
(See P.381)
2. Carry out "Encoder Check" to check if the Cutter Motor
Assy encoder functions normally. (See P.399)
1. Check the connection of the Cutter Motor Assy (CN222,
CN223) for disconnection and damage.
2. Carry out "Encoder Check" to check if the Cutter Motor
Assy encoder functions normally. (See P.399)
Revision A
Remedy
Replace the Cutter Motor Assy.
(See P.224)
1. Replace the Cutter Motor Assy.
(See P.224)
2. Replace the SUB-B Board. (See
P.162)
3. Replace the Main Board. (See
P.152)
Replace the Cutter Motor Assy.
(See P.224)
Replace the Main Board. (See
P.152)
1. Replace the Cutter Motor Assy.
(See P.224)
2. Replace the SUB-B Board. (See
P.162)
3. Replace the Main Board. (See
P.152)
Replace the Cutter Motor Assy.
(See P.224)
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