Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
TROUBLESHOOTING Troubleshooting Duplex Unit Problems 85
Confidential
3.5 Troubleshooting Duplex Unit Problems
This section provides troubleshooting information on the duplex unit. Find the problem
you face in
Table 3-26, and troubleshoot the problem referring to the descriptions
given in the “Possible Cause” and “Remedy”.
Problems and reference table
Duplex unit open error
Duplex unit paper jam error
Note : If any of the above remedies cannot solve the problem, replace the duplex unit with a
new one.
Table 3-26. Duplex Unit Problems & Reference Table
Error Message Problem Reference
Duplex unit open error
The duplex unit cannot be detected
when it is working.
Table 3-27
(p.85)
Duplex unit paper jam error
A paper jam error occurred in the
duplex unit.
Table 3-28
(p.85)
Table 3-27. Duplex unit open error
Symptom Possible Cause Remedy
The duplex unit open
error occurs when
duplex printing is
started.
1. The duplex unit is not
installed correctly.
Install the duplex unit correctly.
2. Duplex unit sensor failure/
wrong connection
Check if the duplex unit sensor
is correctly connected. If not,
replace the Printer Mechanism
with a new one.
Check if the duplex unit sensor
is damaged. If so, replace the
Printer Mechanism with a new
one.
The duplex unit open
error occurs when
duplex printing is
started after recovering
from a duplex unit paper
jam error.
1. The duplex unit is not
installed correctly.
Install the duplex unit correctly.
(The duplex printing is
resumed from the next page)
Cancel the duplex print job.
Table 3-28. Duplex unit paper jam error
Symptom Possible Cause Remedy
The duplex unit paper
jam error occurs when
duplex printing is
started.
1. A paper jam occurred in the
duplex unit.
2. A paper jam occurred in the
duplex unit or the printer
failed to detect the duplex
unit while reversing the
paper for printing on its
backside.
Remove the duplex unit (open
the cover if necessary), and
remove the paper. Leave the
printer ON during the work.
Then reinstall the unit. (The
duplex printing is resumed
from the next page)
Cancel the duplex print job, and
remove the duplex unit (open
the cover if necessary), and
remove the paper.
3. PE sensor failure/wrong
connection
Check if the PE sensor is
correctly connected. If not,
connect it correctly.
(See Table 3-2.)
Check if the PE sensor is
damaged. If so, replace the
Printer Mechanism with a new
one. (See
Table 3-2.)