Epson Stylus Pro 7700 Service Manual page 127

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
Error
Section Error Name
No.
Paper
33
Reversing error
pressing
Paper
34
Velocity deviation error
pressing
Paper
35 Lock error
pressing
Take-up
40
Driving time-out error
system
Take-up
41 Overload error
system
Take-up
42 Over speed error
system
Take-up
43
Reversing error
system
Take-up
44
Velocity deviation error
system
TROUBLE SHOOTING
Status
Detects that it is being driven in the
opposite direction to the specified
driving direction.
Detects that it is being driven at an
irregularly faster speed than the
specified value.
Detects that it is being driven at an
irregularly slower speed than the
specified value.
Detects that the driving period is
irregularly long.
The electric current flowing when
driving the motor is irregularly large.
Detects that it is being driven at an
irregularly faster speed than the
specified value just before stopping.
Detects that it is being driven in the
opposite direction to the specified
driving direction.
Detects that it is being driven at an
irregularly faster speed than the
specified value.
Remedies for Error Messages related to SpectroProofer/Auto Take-up Reel
Cause
The polarity of the encoder cable is
opposite.
The polarity of the motor cable is opposite.
Paper Pressing Encoder is broken.
Paper Pressing Encoder is broken.
Motor driver is broken.
Paper Pressing Motor is broken.
Encoder cable is damaged.
Motor cable is damaged.
Paper Pressing Encoder is broken.
Paper Pressing Motor is broken.
Firmware becomes out of control.
Encoder cable is damaged.
Motor cable is damaged.
Slack Sensor is broken.
Auto Take-up Motor is broken.
Slack Sensor is broken.
The polarity of the encoder cable is
opposite.
The polarity of the motor cable is opposite.
Slack Sensor is broken.
Slack Sensor is broken.
Motor driver is broken.
Auto Take-up Motor is broken.
Remedy/Check Point Program Check
Check the connection.
Replace the Paper Pressing
Encoder. (See P.340)
Replace the Paper Pressing
Encoder. (See P.340)
Replace the Main Board Assy.
(See P.332)
Replace the Paper Pressing Motor.
(See P.346)
Replace the cable.
Replace the Paper Pressing Motor.
(See P.346)
Replace the Main Board Assy.
(See P.332)
Replace the cable.
Replace the Auto Take-up Motor.
(See P.320)
Replace the Auto Take-up Motor.
(See P.320)
Check the connections.
Replace the Auto Take-up Motor.
(See P.320)
Replace the Auto Take-up Motor.
(See P.320)
Replace the Main Board Assy.
(See P.332)
Replace the Auto Take-up Motor.
(See P.320)
Confidential
Revision I
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
127