Epson Stylus Pro 7710 Service Manual page 93

Epson Stylus Pro 7700/7710/7900/7910/9700/9710/9900/9910
Error
Section Error Name
No.
Paper pressing system
16 Sequence
abnormal measurement value
error
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
TROUBLE SHOOTING
Status
Detects a load over the specified
range when measuring it.
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.
Remedies for Error Messages related to SpectroProofer/Auto Take-up Reel
Cause
There is something wrong with the Paper
Pressing Motor.
Paper Pressing Unit is not installed
correctly.
A gear or a shaft making up the Paper
Pressing Unit is broken.
The phases on the left and on the right of
the Paper Pressing Plate are misaligned.
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.
Remedy/Check Point Program Check
Replace the Paper Pressing Motor.
(See P.278)
Dowels and positioning holes on
the right and left plates that secure
the Paper Pressing Unit are mis-
aligned, or the screws that secure
the plate are loose.
Replace the Paper Pressing Unit.
(See P.281)
Synchronize the phases on the left
and on the right of the Paper
Pressing Plate. (See P.281)
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.252)
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.246)
Turn off the power, then install the
Auto Colorimeter correctly.
Replace the Mount Sensor. (See
P.270)
Replace the Main Board Assy.
(See P.264)
Revision D
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Yes
Yes
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