Canon NP6621 Service Handbook page 116

SERVICE MODE
No. 219, No. 220, and No. 221
No. LED
1-a
Cassette size 1 (cassette 4/5)
1-b
Cassette size 2 (cassette 4/5)
1-c
Cassette size 3 (cassette 4/5)
219 1-d
Cassette size 4 (cassette 4/5)
1-e
Option cassette connection detection 3
1-f
Option cassette connection detection 4
1-g
Reserved
1-a
ON: connected
1-b
ON: connected
1-c
Reserved
220 1-d
Reserved
1-e Reserved
1-f
Right door open detection
1-g
Reserved
1-a
Multifeeder paper detection
1-b
Delivery sensor
1-c
Reserved
221 1-d
Separation sensor
1-e
Control Card IV connection
1-f
Reserved
1-g
Reserved
Service mode No. 218
Led 1-e
Led 1-f
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
ON
ON
7–8
Item
Figure 7-710
Service mode No. 219
Led 1-e Led 1-f
× ×
×
ON
×
OFF
× ×
× ×
ON: light-blocking plate present
ON: light-blocking plate present
ON: light-blocking plate present
ON: light-blocking plate present
See the table below.
See the table below.
–
Option counter 1 detection
Option counter 2 detection
–
–
–
ON: light-blocking plate present (door closed)
–
ON: light-blocking plate present (paper absent)
ON: light-blocking plate present (paper present)
–
ON: light-blocking plate present (paper absent)
ON: connected
–
–
No optional feeding unit.
Optional deck feeding unit.
1-cassette optional feeding unit.
2-cassette optional feeding unit.
3-cassette optional feeding unit.
Description