Panasonic Toughbook CF-28 Series, Руководство по обслуживанию

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4.4.8 PRINTING DIAGNOSIS
Make sure that connecting cables, connectors and AC adapter are not loose or disconnected prior to
testing.
No. Symptom
Troubleshooting
procedures
Source of
problem
Component
No. Result
1 Data does not print from
the printer.
1-1
Does the printer pass its
self-printing test?
YES Main PCB IC47
NO Printer
2-2
Is the Parallel Port (Data
Direction) setting correct?
YES Main PCB IC47
NO Improper setting
2 Data prints out incorrectly.
2-1
Does the printer pass its
self-printing test?
3 The unit hangs after
outputting data from the
printer.
3-1
Replace the Main PCB.
Does operation return to
normal?
YES Go to No. 2-2
NO Printer
YES Main PCB IC47
NO Printer
4 Print area is out of line.
4-1
Does the printer pass its
self-printing test?
YES Main PCB IC47
NO Printer
5
Data is printed all on one
line.
(Carriage return does not
work.)
4-2
Does the printer pass its
self-printing test?
YES Main PCB IC47
NO Printer
4.4.9 INFRARED COMMUNICATION DIAGNOSIS
Make sure that connecting cables, connectors and AC adapter are not loose or disconnected prior to
testing.
No. Symptom
Troubleshooting
procedures
Source of
problem
Component
No. Result
1 Data cannot be sent or
received.
1-1
Is the Infrared Communica-
tion Port enabled in Setup?
YES Go to No. 1-2
NO Improper setting
2 Transmitted data becomes
corrupted.
2-1
Is the transmission distance
within 20-50 cm?
YES Go to No. 2-2
NO
Use within
specified distance
2-2
Is the transmisson path
clear of obstacles and
interference?
Is the unit operated away
from TV sets, video, wireles
headphones, incandescent
lamps or other electronic
equipment?
Is the unit operated away
from direct sunlight?
YES Main PCB
IC47
IC770
NO
Change operating
environment
1-2
Is the same transmission
protocol set for both the
sending and receiving units?
YES Go to No. 1-3
NO Improper setting
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