Canon NP6621 Service Handbook page 44

STANDARDS AND ADJUSTMENTS
Notation
Name
(+) probe of meter
Service mode
Checks; normal if as
indicated.
Display
Meter measurements
Notation
Name
(+) probe of meter
Service mode
Checks; normal if as
indicated.
Display
Meter measurements
2–30
Q651-4
Cassette 4 size sensor 1 (C4SZ1)
J308-A10
No. 308 1-a
Slide out the cassette while in
standby, and operate the detection
lever with a finger. (paper selection
for cassette 4)
When the lever When the lever
is operated is not operated
0
—
Q653-4
Cassette 4 size sensor 3 (C4SZ3)
J308-B1
No. 219 1-c
Slide out the cassette while in
standby, and operate the detection
lever with a finger. (paper selection
for cassette 4
When the lever When the lever
is operated is no operated
0
—
Cassette 4 size sensor 2 (C4SZ2)
Slide out the cassette while in
standby, and operate the detection
lever with a finger. (paper selection
for cassette 4)
When the lever
is operated
1
0
—
—
Cassette 4 size sensor 4 (C4SZ4)
Slide out the cassette while in
standby, and operate the detection
lever with a finger. (paper selection
for cassette 4)
When the lever
is operated
1
0
— —
Q652-4
J308-A11
No. 219 1-b
When the lever
is not operated
1
—
Q654-4
J308-B2
No. 219 1-d
When the lever
is not operated
1
—