Canon NP6621 Service Handbook page 42

STANDARDS AND ADJUSTMENTS
b. Cassette Unit
Notation
Name
(+) probe of meter
Service mode
Checks; normal if as
indicated.
Display
Meter measurements
1/2-Cassette Unit, Cassette Pedestal-K1
Notation
Name
(+) probe of meter
Service mode
Checks; normal if as
indicated.
Display
Meter measurements
2–28
PS1cu
Cassette 3 vertical path sensor
(C3VPD)
J308-A2
No. 214 1-b
Slide out the cassette 3 while in
standby, and insert copy paper
between the pick-up paper guide
plates.
When paper is When paper is
inserted not inserted
1
—
Q651-3
Cassette 3 size sensor 1 (C3SZ1)
J308-A10
No. 218 1-a
Slide out the cassette while in
standby, and operate the detection
lever with a finger. (paper selection
for cassette 2)
When the lever When the lever
is operated is not operated
0
—
Cassette 3 paper sensor (C3PD*)
Slide out the cassette 3 while in
standby.
When the
cassette is slid
out
0
0
— —
Cassette 3 size sensor 2 (C3SZ2)
Slide out the cassette while in
standby, and operate the detection
lever with a finger. (power selection
for cassette 2)
When the lever
is operated
1
0
—
—
PS2cu
J308-A4
No. 214 2-a
When paper is
placed in the
cassette and the
cassette is slid in
1
—
Q653-3
J308-A11
No. 218 1-b
When the lever
is not operated
1
—