Other Delay Jams - Canon ImageRunner iR8500 Series Service Manual

Chapter 9
Sensor N-1
Jam check
Sensor N
Delay jam sensor N
Right deck feed sensor (PS27)
Left deck feed sensor (PS26)
Vertical path 1 sensor (PS47)
Vertical path 1 sensor (PS47)
Vertical path 1 sensor (PS47)
Vertical path 2 sensor (PS49)
Vertical path 3 sensor (PS41)
Vertical path 3 sensor (PS41)
Vertical path 4 sensor (PS46)
Registration sensor (PS5)
Registration sensor (PS5)
Internal delivery sensor (PS9)
External delivery sensor (PS10)
External delivery sensor (PS10)
Duplexing reversal sensor (PS12)
Post-confluence sensor (PS15)
Post-confluence sensor (PS15)

9.3.2.4 Other Delay Jams

/ iR8070
Basically, the same principles are used to detect delay jams other than pickup sensor delay jams.
9-16
Copy Start key
ON or
PRINT set
INTR
I
Normal
A check is made for about 0.13
sec to find out if paper has
reached the sensor N.
Sensor N-1
Right deck pickup sensor (PS20)
Left deck pickup sensor (PS25)
Vertical path 2 sensor (PS49)
Left deck feed sensor (PS26)
Post-confluence sensor (PS15)
Vertical path 3 sensor (PS41)
Vertical path 4 sensor (PS46)
Cassette 3 pickups sensor (PS37)
Cassette 4 pickup sensor (PS42)
Pre-registration sensor (PS47)
Manual feed sensor (PS35)
Claw jam sensor (PS6)
Internal delivery sensor (PS9)
Fixing feeding outlet sensor (PS11)
Fixing feeding outlet sensor (PS11)
Pre-confluence sensor (PS14)
Left deck feed sensor (PS26)
A specific time I after the leading edge
of paper is detected by the sensor N-1,
a jam check is started.
/ PRINT
I
0.13 sec 0.13 sec
Error
A delay jam is identified if
paper does not reach the
sensor N during this period.
F-9-15
T-9-10
Time used I (sec)
0.12
0.12
0.58
0.24
0.88
0.38
0.37
0.12
0.12
0.53
0.37
0.13
0.26
0.27
0.30
0.38
0.17
0008-8486