Citizen CBM-270 Service Manual page 13

4 4 4 4 . . . . T T T T R R R R O O O O U U U U B B B B L L L L E E E E S S S S H H H H O O O O O O O O T T T T I I I I N N N N G G G G
4 4 4 4 . . . . 1 1 1 1 T T T T r r r r o o o o u u u u b b b b l l l l e e e e s s s s h h h h oo oo oo oot t t t i i i i n n n n g g g g P P P P r r r r o o o o c c c c e e e e d d d d u u u u r r r r e e e e
If the printer has a trouble, confirm its phenomenon, determine a defective part according to 4.2
Troubleshooting Guide, and then, repair it in the specified manner.
· Phenomenon
· Cause
· Check Method
· Repair Method
Efficient troubleshooting is enabled without making a erroneous judgment by repairing in the
above-mentioned procedure.
4 4 4 4 . . . . 2 2 2 2 T T T T r r r r o o o o u u u u b b b b l l l l e e e e s s s s h h h h oo oo oo oot t t t i i i i n n n n g g g g G G G G u u u u i i i i d d d d e e e e
The following table lists the check methods and repair methods based on possible phenomena
and causes.
· · · · AC
AC A A A A d d d d a a a a p p p p t t t t e e e e r r r r F F F F a a a a i i i i l l l l u u u u r r r r e e e e AC AC
Phenomenon
The power cannot be
turned on (POWER
lamp not illuminated)
Find a corresponding trouble phenomenon in this column. If there
multiple corresponding phenomena, confirm taking all of them into
account. This allows you to determine a hidden defective part.
Possible causes are listed as many as possible in this column. Project a
trouble cause and determine it by the check method described in the
next column.
Check methods are listed in this column to determine the relevant
trouble cause.
Repair the defective part in the manner described in this column.
Cause
The AC cord is not
connected.
The voltage
abnormal.(It is slightly
higher than the rating
in the no-load state)
The AC adapter was
connected to(used for)
another device in the
past. 12. Replace
the AC adapter.
Check Method
---
is Use a voltmeter to
measure a
voltage.
---
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CBM-270 Service Manual
Repair Method
Connect the AC cord to
the specified
socket, etc.
Replace the AC adapter.
supply
Replace the AC adapter.
plug
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