Troubleshooting Flowchart - Panasonic UF-E1 Service Manual

6.9.

Troubleshooting Flowchart

Check for failure messages. See
H/W section for measuring 19V
carriage drive voltage.
Troubleshoot
No
product driver
electronics okay?
electronics.
Check / replace encoder strip or
replace carriage / flex assembly.
Yes
End
Replace carriage
Yes
End
Return to product electrical
troubleshooting section.
Start
Does carriage Yes
move when
printing?
Try these steps sequentially. If
movement is not smooth after one
step, proceed to the next step
19V driver
1. Move carriage back and forth with
power off. If movement is not
smooth, check / replace belt,
gears, or carriage assembly
Yes
2. Check encoder for contamination
or damage; replace if necessary.
3. Replace carriage / flex assembly
Carriage
moving?
No
motor.
Carriage
moving?
No
Figure 6.13.1 Troubleshooting flowchart
Yes
Does carriage
move smoothly?
No
OR
OR
Yes
Carriage moves
smoothly?
No
Troubleshoot product
electronics.
Note: In this flowchart, the term product refers to the
host printing device (e.g. FAX), not the print bar, and
movement refers to back and forth movement of the
carriage assembly.
199
Yes
See section
PQ faded, fuzzy
or smeared?
No
Yes
Is PQ missing See section
dots?
No
No
Print cartridge life
end early?
cartridge.
Yes
See section 6.11.2.2.
and
6.11.2.3.
End
UF-E1
6.11.1.1.
6.11.1.2.
Replace
print