Kyocera FS-1020D Service Manual page 37

Code Error indications
2000
START
Remove and check
harness (2DC2711)
between engine board
(KP-1046) and main
motor at pins 6 to 9 on
both ends.
No
OK?
+24 V DC at
No
pin 9 of CN1 on
main motor?
Replace harness (2DC2711)
between engine board (KP-
1046) and main motor.
Check procedures/corrective measures
Yes
Connect circuit tester to
pin 8 (MOTORN) of
YC04 on engine board
(KP-1046) and ground.
Turn printer power off,
Yes
then on.
Print status page.
pin 8 (MOTORN)
of YC04 on engine board
(KP-1046) goes high,
Replace engine board
(KP-1046). See page 1-
6-9.
Contents
Main motor error
Does
Yes
then low?
No
No
Connect oscilloscope to
pin 8 (MOTORN) and
pin 7 (MRDYN) of CN1
on main motor.
Turn power switch off,
then on.
Print status page.
Does
pin 7 (MRDYN)
of CN1 on main motor goes
high, then low, within 3 seconds
from pin 8 (MOTORN)
goes low?
Yes
Replace main motor. See
page 1-6-15. If not solved,
check or replace drive unit.
See page 1-6-15.
2FM
1-5-3