
CHAPTER 4 SERVICE MODE
4-14
n
Jam Detection by the DADF
DISPLAY
Figure 4-10-1
S7
S12
S3
S1
S4
S14
M4
S8
MS1 MS2
S6
S1 ...... Original tray paper sensor
S3 ...... Registration paper sensor
S4 ...... Upper cover sensor
S6 ...... Delivery sensor 1
S7 ...... Pick-up sensor
S8 ...... Reverse sensor
S12 .... Delivery sensor 2
S14 .... Recirculating sensor
MS1 .. RF switch
MS2 .. Upper cover switch
Jam type
Original out
Pick-up delay
Registration
delay
Sensor
S1, S7
S7
S3, S7
Code
0001
0002
0003
Description
After the pick-up motor M1 has turned on, the sensor S7
does not detect the leading edge of an original and, in
addition, the sensor S1 does not detect an original.
After the pick-up motor M1 has turned on, the sensor S7
does not detect the leading edge of an original in 1500
msec.
After the sensor S7 has detected the leading edge of an
original, the sensor S3 does not detect the leading edge of
an original in 350 msec.
Pick-up
Table 4-5-2