Canon ImageRunner 600 Service Manual page 844

CHAPTER 13 TROUBLESHOOTING
Code
• The auto power-off circuit has an open
circuit.
E800
• The DC controller PCB is faulty.
• The power supply cooling fan (1 and 2)
is faulty.
E804 • The DC controller PCB is faulty.
• The wiring is faulty (short circuit, open
circuit).
• The fixing assembly heat discharge fan
(FM2) is faulty.
E805
• The DC controller PCB is faulty.
• The wiring is faulty (shorting, open
circuit).
• The drum fan (FM8) is faulty.
• The DC controller PCB is faulty.
E820
• The wiring is faulty (short circuit, open
circuit).
• The pre-transfer charging assembly fan
(FM10) is faulty.
E823 • The DC controller PCB is faulty.
• The wiring is faulty (short circuit, open
circuit).
• The primary charging fan (FM1) is
faulty.
E824
• The DC controller PCB is faulty.
• The wiring is faulty (short circuit, open
circuit).
• The separation fan (FM13) is faulty.
• The DC controller PCB is faulty.
E830
• The wiring is faulty (short circuit, open
circuit).
13-256
COPYRIGHT © 2000 CANON INC.
Cause
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
Description
• The auto power-off circuit has an open
circuit.
• The auto power-off signal has been
detected twice or more within 2 sec.
• The lock signal (FM1LCK, FM2LCK) is
detected for 5 sec or more while the
power supply cooling fan (1 and 2) is
being driven.
• The lock signal (FM2LCK) has been
detected 5 sec or more while the fixing
assembly heat discharge fan (FM2) is
being driven.
• The lock signal (FM8LCK) has been
detected for 5 sec or more while the
drum fan (FM8) is being driven.
• The lock signal (FM10LCK) is detected
for 5 sec or more while the pre-transfer
charging assembly fan (FM10) is being
driven.
• The lock signal (FM1LCK) is detected
for 5 sec or more while the primary
charging assembly fan (FM1) is being
driven.
• The lock signal (FM13LCK) is detected
for 5 sec or more while the separation
fan (FM13) is being driven.