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CHAPTER 10 TROUBLESHOOTING
COPYRIGHT
©
1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
10–24
Sensor
PS1
Scanner home
position sensor
PS2
Lens home
position sensor
PS3
Mirror home
position sensor
PS4
Cassette
paper sensor
PS5
Registration
paper sensor
PS6
Delivery
paper sensor
PS7
Multi paper
sensor
PS8
Waste toner
feeding screw
locked sensor
PS9
Multi wide
sensor 1
PS10
Multi wide
sensor 2
PS11
Right door
open sensor
Waste toner
sensor
J103-B2
220
J103-B5
219
J103-B8
219
J107-B12
202
J107-A2
222
J124-2
222
J107-A8
202
J106-10
223
J107-A11
202
J107-A14
202
J107-B7
202
J106-9
222
1a=1
1a=0
1c=1
1c=0
1b=1
1b=0
1b=1
1b=0
1g=1
1g=0
1f=1
1f=0
2b=1
2b=0
1f=1
1f=0
2c=1
2c=0
2d=1
2d=0
1d=1
1d=0
1a=1
1a=0
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
5V
0V
When the light-blocking plate is at PS1,
When the light-blocking plate is not at PS1,
When the light-blocking plate is at PS2,
When the light-blocking plate is not at PS2,
In standby,
move the
scanner by
hand.
In standby,
move the lens
by hand.
In standby,
move the
No. 4/No. 5
mirror by hand.
In standby,
move the
detecting lever
by hand.
In standby,
move the
detecting lever
by hand.
In standby,
move the
detecting lever
by hand.
In standby,
move the
detection lever
by hand.
In standby,
move the
detecting lever
by hand.
In standby,
move the slide
guide by hand.
In standby,
move the slide
guide by hand.
In standby,
open the right
door.
In standby,
remove the
waste toner
box.
Checks LED Voltage
Connector
Service mode
When the light-blocking plate is at PS3,
When the light-blocking plate is not at PS3,
When the light-blocking plate is PS4,
When the light-blocking plate is not at PS4,
When the light-blocking plate is at PS5,
When the light-blocking plate is not at PS5,
When the light-blocking plate is at PS6,
When the light-blocking plate is not at PS6,
When the light-blocking plate is at PS7,
When the light-blocking plate is not at PS7,
When the light-blocking plate is at PS8,
When the light-blocking plate is not at PS8,
When the light-blocking plate is at PS9,
When the light-blocking plate is not at PS9,
When the light-blocking plate is at PS10,
When the light-blocking plate is not at PS10,
When the light-blocking plate is at PS11,
When the light-blocking plate is not at PS11,
When the light-blocking plate is at sensor,
When the light-blocking plate is not at sensor,