Table of Contents
Advertisement
KX-F910BX
3. DETAIL OF TROUBLESHOOTING
3-1. OUTLINE
Troubleshooting is to make quality and reliability recover by finding out the broken component and exchange or
adjustment or cleaning. We have to find out symptoms and then arrange troubleshooting method.
If it's tough to finding out just a broken component, we should so arrange that block or section are specified, for
example "digital board" or image sensor".
A claim tag from customer or dealer gives us many kinds of expression for same trouble. Because they are not
technician or engineer. But we should carefully read it on our supposition comes from experience, and sufficiently
test the function related to that tag. Returns from customer or dealers often have to claim tag. In this case we need
to find out the symptoms. Therefore please test the unit following simple-check-list. A problem difficult to find out
may lurk, so we need to test repeatedly, for example make copy 10 pages or receiving 10 pages,.........
3-2. STARTING UP TROUBLESHOOTING
Find out the symptom and troubleshooting method
change faitnly
LCD
See digital board section.
(See page 54)
Power on.
plug the AC cord
Look at LCD
good
LCD
12:00AM
Already known symptom
Not yet
Find out any symptom with
check list (See page 22).
| 20 |
no reaction
LCD
No reaction means that power line
is broken (short-circuit).
See digital board section.
(See page 54)
Yes, I know
See table of
troubleshooting item.
AC
Advertisement
Table of Contents
