Epson Stylus Pro 7890 Series, Service Manual

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Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908 Revision I
TROUBLE SHOOTING Remedies for Error Messages related to SpectroProofer/Auto Take-up Reel 124
Confidential
13
Sequence
Foreign material detection
error in paper pressing
Due to one of the reasons listed on the
right, the Paper Pressing Plate does
not work correctly.
Backing is not installed correctly. Install the backing correctly.
Yes
There is some foreign material between the
Paper Pressing Plate and the backing.
Remove the Auto Colorimeter
once, and remove the foreign
material around the backing (if
any).
Paper that does not meet the specifications
is used. The printer is used out of the
specified usage environment.
Check if the paper type and usage
environment are correct.
There is something wrong with the Paper Pressing Motor.
Check the connection between the
Paper Pressing Motor and the Main
Board Assy.
Replace the Paper Pressing Motor.
(See P.346)
14 Sequence
Paper pressing origin position
detection failure error Origin position detection was not
successfully made.
Drive gear(s) of the Paper Pressing Plate is/
are broken.
Replace the drive gear(s).
---
Paper Pressing Unit is broken.
Replace the Paper Pressing Unit.
(See P.349)
Paper Pressing Plate is not installed to the
printer correctly.
Synchronize the phases on the left
and on the right of the Paper
Pressing Plate.
(See P.349)
Error
No.
Section Error Name Status Cause Remedy/Check Point Program Check