Canon iR8500 Service Manual page 783

ERROR CODE
E100
Main cause The BD PCB is faulty. The DC controller PCB is faulty. The laser unit is
faulty. The laser driver PCB 1 is faulty. The laser diver PCB 2 is faulty. The
wiring is faulty (short circuit, open circuit).
Condition
0000 The BD signal does not arrive within 1 sec after the laser drive sig-
E110
Main cause The laser scanner motor (M4) is faulty. The laser scanner motor driver PCB
is faulty. The wiring is faulty (short circuit, open circuit). The DC controller
PCB is faulty.
Condition
0000 The constant rotation signal (LM-RDY) does not arrive for 15 sec
E111
Main cause The laser scanner motor cooling fan (FM14) is faulty. The DC controller
PCB is faulty. The wiring is faulty (short circuit, open circuit).
Condition
0000 The lock signal arrives for 5 secs or more although the laser scan-
E121
Main cause The laser scanner cooling fan (FM3) or the laser diver cooling fan (FM5) is
faulty. The DC controller PCB is faulty. The wiring is faulty (short circuit,
open circuit).
Condition
0001 The lock signal arrives for 5 secs or more although the laser scan-
0002 The lock signal arrives for 5 secs or more although the laser driver
E-8
nal is generated. Or, the BD signal does not arrive for 1 sec or
more while the laser is ON.
or more after the laser scanner motor (M4) drive signal is gener-
ated.
ner motor cooling fan (FM14) is driven.
ner cooling fan (FM3) is driven.
cooling fan (FM5) is driven.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001