Kyocera FS-920 - Printer Error Codes and Electrical Problems

2GL/2FV/2FW
1-5-4
(2) Self diagnostic codes
Code Contents
Remarks
Causes Check procedures/corrective measures
2000
(E1)
Main motor error
• The main motor ready input is not
given for two seconds during the main
motor is driven.
Defective harness
between engine/
high voltage PWB
and main motor.
Follow the flow chart.
Defective main
motor.
Defective engine/
high voltage PWB.
Defective drive
unit.
No
No
No
No
OK?
Yes
Yes
Print status page.
Start
Reinsert the connector
of harness between
engine/high voltage
PWB and main motor.
Yes
Yes
Connect circuit tester to
pin 1 of CN1 connector
on the main motor.
Connect circuit tester to
pin 5 (REMOTE) of YC5
connector on the
engine/high voltage
PWB.
Replace engine/high
voltage PWB. See page
1-6-17.
Connect oscilloscope to
pin 5 (REMOTE) and pin
3 (MMOTRDY) of CN1
connector on the main
motor.
Print status page.
Replace the main motor. See
page 1-6-24. If not solved,
check or replace drive unit. See
page 1-6-23.
24 V DC
at pin 1 of CN1
connector on the main
motor?
Does pin
5 (REMOTE)
of YC5 connector on
the engine/high voltage
PWB goes high,
then low?
Does pin 3
(MMOTRDY) of
CN1 connector on the
main motor goes high, then low,
within 2 seconds from pin
5 (REMOTE) goes
low?
Replace harness between
engine/high voltage PWB and
main motor.
Turn printer power off,
then on.
Turn printer power off,
then on.