Service manual

EPSON Stylus Photo 870/1270 Revision B
TROUBLESHOOTING Overview 62
3.1.1.4 Remedies for the Paper Jam Error
This section includes the checkpoints and actions the take to troubleshoot
the Paper Jam error when it occurs during paper feeding or after the
printer is turned on.
The printer detects the Paper Jam Error in the following condition.
!
When the printer is turned on, the PE sensor detects paper and
attempts to eject it using the PF roller. But the paper detection
signal does no change to HIGH.
Be sure to follow the steps in the order described in the tables.
NOTE:
If the exhibited problem is similar to a problem listed under
“Problem”, take the actions in the right column. If not, proceed to the
next step.
Table 3-6. Remedies for Paper Jam Error
Step Problem Check & Actions
1 The PF roller turn to
eject paper but can not
eject it completely.
Then a Paper Jam
error is displayed.
Explain to the user that a Paper Jam error
occurs if the paper whose length is beyond the
specifications is used.
2 Printer is turned on, PF
roller turns
continuously for ten
seconds, and then a
Paper Jam error is
displayed.
Check if there is any paper debris or dust
lodged on the PE sensor. Also, viewing the PE
sensor from the front, check its lever is set in
the correct position.
3 ditto Referring to Table 3-5 / Step 3, check if the
sensor is operating properly.
4 Paper is loaded at the
ASF and fed by the PF
roller, but its leading
edge dose not reach
the front paper guide.
The ASF repeats paper
feeding motion and
the Fatal Error is
displayed.
Check if the ASF hopper release lever is
properly installed to the LD roller shaft.
PE Sensor Lever
Paper Guide Assy.
PF Roller
Left ASF Hopper
Right ASF Hopper