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CHAPTER 2 FUNCTIONS & OPERATION
VII. PARTS LAYOUT ON EACH PCB
1. Control PCB
Figure 2-701
Connector Details
J102 – AC
adapter
J103 – USB
interface
J105 13P Document
sensor
PCB,
etc.
J108 5P Main
motor
J109 6P Feed
motor
J110
20P CIS unit (back)
J111
20P CIS unit (front)
J112 10P Operation
PCB
Table 2-701
Symbol Details
PS1 Flapper
sensor
PS2 Door
sensor
SR1 Ultrasonic
sensor
(receiver)
LED11
Back: Document sensor
(transmitter)
LED9/Q39 Pre-registration
sensor
LED8/Q38 Post-registration
sensor
LED4/Q12 Eject
sensor
Blinking 1 (slowly)
ON: 500 msec, OFF: 500 msec
(1 time/second)
→
CPU operation/DC power good
Blinking 2 (quickly)
ON: 250 msec, OFF: 250 msec
(2 time/second)
→
Firmware fault
LED2
Blinking 3 (intermittently)
(ON: 125 msec, OFF: 125 msec)
× 4 times, OFF: 1 sec
→
EPROM fault
Table 2-702
COPYRIGHT
©
CANON ELECTRONICS INC. 2011 CANON DR-M140 FIRST EDITION
2-19
Содержание imageFORMULA DR-M140
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