Canon NP6621 Service Handbook page 37

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
PS5
Multifeeder paper sensor (MFPD*)
J316-10
No. 221 1-a
Set paper on the multifeeder tray
while in standby.
When paper is When paper is
set not set
0
—
PS7
Separation sensor (SPD*)
J316-4
No. 221 1-d
Operate the detection lever with a
finger while in standby.
When the lever When the lever
is operated is not operated
0
—
STANDARDS AND ADJUSTMENTS
Registration sensor (RPD)
Open the right door while in
standby, and insert copy paper
between the paper guide plates.
When paper is
inserted
1 1
— 5 V (approx.)
Delivery sensor (DPD*)
Operate the detection lever with a
finger while in standby.
When the lever
is operated
1 0
— 5V (approx.)
PS6
J316-13
No. 222 1-a
When paper is
not inserted
0
0 V (approx.)
PS8
J309-14
No. 221 1-b
When the lever
is not operated
1
0V (approx.)
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