199
zTroubleshooting Guide
chap.6
(19) "ADD PAPER" is displayed
(20) "FRONT COVER OPEN" is displayed
Cause/Defective section Procedures Item to be checked Result Countermeasure
Paper detection sensor 1 NO Replace paper detection sensor .
Main PCB unit YES Check bundled wire and
connectors and replace main
PCB unit.
When paper sensor is checked using
HELP mode (H-05), does it indicate
"1" when paper is absent and "0"
when paper is present?
Cause/Defective section Procedures Item to be checked Result Countermeasure
Front cover SW position
1 NO Adjust front cover SW position.
Front cover SW 2 NO Replace front cover SW .
Main PCB unit YES Check bundled wire and
connectors and replace main
PCB unit.
Is front cover SW pressed when front
cover is set?
When front cover SW is checked with
volt-ohm-milliammeter, does it OPEN
if switch is pressed (front cover open)
and CLOSE if released (front cover
close)?
HELP mode H-05 \ see p.224
*
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