Epson Stylus Pro 4910 Service Manual page 57

Epson Stylus Pro 4900/Epson Stylus Pro 4910
Code Error Name
The electric current flowing when driving the motor is
irregularly large.
Roll Feeding Motor Assy cable is damaged.
Roll Feeding Motor
152A
overload error
Irregular load
Roll Feeding Motor Assy encoder failure
Roll Feeding Motor failure
Detects that it is being driven at an irregularly faster speed
than the specified value just before stopping.
Roll Feeding Motor Irregular load
152B
over speed error
Roll Feeding Motor Assy encoder failure
SUB Board is damaged.
Roll Feeding Motor driver failure
Detects accumulatively more than the specified number of
times that it is being driven in the opposite direction to the
Roll Feeding Motor
specified driving direction.
152C
reversing error
The polarity of Roll Feeding Motor Assy cable is opposite.
Roll Feeding Motor Assy encoder failure
Detects that the driving period is irregularly long.
Roll Feeding Motor
152D
Irregular load
driving time-out error
Firmware becomes out of control.
Detects, when accelerating/decelerating the motor, that it is
being driven at an irregularly faster speed than the specified
value.
Irregular load
Roll Feeding Motor
152E
velocity deviation error Roll Feeding Motor Assy encoder failure
Roll Feeding Motor failure
SUB Board is damaged.
Roll Feeding Motor driver failure
1. Connection failure of the Roll Feeding Motor Assy.
2. Detects that it is being driven at an irregularly slower speed
than the specified value.
Roll Feeding Motor
152F
lock error
TROUBLE SHOOTING
Cause
Irregular load
Roll Feeding Motor Assy encoder failure
Roll Feeding Motor failure
Remedies for Service Call Error
Check Item
1. Check the connection of the Roll Feeding Motor Assy
(CN601, CN602) for disconnection and damage.
2. Carry out "Encoder Check" to check if the Roll Feeding
Motor Assy encoder functions normally.
Carry out "Encoder Check" to check if the Roll Feeding Motor
Assy encoder functions normally. (See P.399)
1. Check the connection of the Roll Feeding Motor Assy
(CN601, CN602) for disconnection and wrong installation.
2. Carry out "Encoder Check" to check if the Roll Feeding
Motor Assy encoder functions normally.
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Carry out "Encoder Check" to check if the Roll Feeding Motor
Assy encoder functions normally. (See P.399)
1. Check the connection of the Roll Feeding Motor Assy
(CN601, CN602) for disconnection and damage.
2. Carry out "Encoder check" to check if the Roll Feeding
Motor Assy encoder functions normally.
Revision A
Remedy
Replace the Roll Feeding Motor
Assy. (See P.220)
(See P.399)
1. Replace the Roll Feeding Motor
Assy. (See P.220)
2. Replace the SUB-D Board.
P.164)
3. Replace the Main Board.
P.152)
Replace the Roll Feeding Motor
Assy. (See P.220)
(See P.399)
Replace the Main Board.
P.152)
1. Replace the Roll Feeding Motor
Assy. (See P.220)
2. Replace the SUB-D Board.
P.164)
3. Replace the Main Board.
P.152)
Replace the Roll Feeding Motor
Assy. (See P.220)
(See P.399)
Confidential
(See
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