Kyocera FS-1800 - False Side Cover Open; Defective Waste Toner Bottle Detecting

6-26
FS-1800/1800N | FS-3800/3800N
(3) False “Side cover Open”
(4) Defective waste toner bottle detecting
False
"Side cover Open"
Measure voltage #6, #7
and #8 pins of YC203 on
engine board (KP-864).
Yes
No
Replace engine board
(KP-864). See page 5-22.
Replace sensor board
(KP-754). See page 5-26.
When
Side cover
close scurely, Do pins
#5, #6 and #7 voltage
change 0 to 24 V
DC?
Problem Suggested causes Corrective action
Although new waste
toner bottle is installed,
Check waste
toner bottle is
displayed.
Although waste toner
bottle is not installed,
Ready is displayed.
• Defective waste toner full sensor [board]
(KP-766) or waste toner sensor (receiver).
• Deformed pins of connector (YC702) on the
sensor board (KP-574).
• Defective engine board (KP-864).
Replace drum unit. See
page 5-12.
Check and straighten pins
of connector (YC702) on
the sensor board (KP-574).
Replace engine board (KP-
864).