Epson Stylus Pro 7700 Service Manual page 126

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908
Error
Section Error Name
No.
Take-up system abnormal
17
Sequence
measurement value error
20 Sequence Slack Sensor no detection error
Mechanism is not installed
01 Sequence
(Mount Sensor is OFF)
Paper
30 Driving time-out error
pressing
Paper
31
Overload error
pressing
Paper
32 Over speed error
pressing
TROUBLE SHOOTING
Status
Detects a load over the assumed range
when measuring.
Detection status of the Slack Sensor
does not change even after rotating
the Auto Take-up Motor by the
specified number of revolutions.
Because the Auto Colorimeter is not
installed correctly, the printer does
not work properly.
Detects that the driving period is
irregularly long.
The electric current flowing when
driving the Paper Pressing Motor is
irregularly large.
Detects that it is being driven at an
irregularly faster speed than the
specified value just before stopping.
Remedies for Error Messages related to SpectroProofer/Auto Take-up Reel
Cause
Auto Take-up Reel Unit is not installed
correctly.
Paper core is not installed correctly.
Extremely heavy paper core or media is
used.
There is something wrong with the Auto
Take-up Motor
There is something wrong with the drive
transmission path.
When the auto take-up is set by the Auto
switch, there might be an obstacle such as a
foot or the like at the sensor.
Slack Sensor is broken.
Auto Colorimeter is not installed correctly.
Mount Sensor is broken.
Firmware becomes out of control.
Encoder cable is damaged.
Motor cable is damaged.
Paper Pressing Encoder is broken.
Paper Pressing Motor is broken.
Paper Pressing Encoder is broken.
Remedy/Check Point Program Check
Install the Auto Take-up Reel Unit
correctly.
Install the paper core correctly.
Use paper satisfying the
specifications.
Replace the Auto Take-up Motor.
(See P.320)
Check the following and correct
the status or replace the
corresponding part(s) if any
abnormality is found.
• Damaged or worn drive gears
• Bent drive shaft
• Damaged or worn bearings
Remove the thing blocking the
detection.
Replace the Slack Sensor. (See
P.314)
Turn off the power, then install the
Auto Colorimeter correctly.
Replace the Mount Sensor. (See
P.338)
Replace the Main Board Assy.
(See P.332)
Replace the cable.
Replace the Paper Pressing Motor.
(See P.346)
Replace the Paper Pressing
Encoder. (See P.340)
Replace the Paper Pressing Motor.
(See P.346)
Replace the Paper Pressing
Encoder. (See P.340)
Confidential
Revision I
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Yes
Yes
Yes
Yes
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