3. ELECTRICAL COMPONENT DESCRIPTIONS
The index numbers refer to the electrical component layout on the reverse side of
the Point to Point (Water proof paper).
Name Function Index No.
Motors
Paper Feed Drives all mechanical components except the cutter unit
(DC Stepper Motor).
32
Cutter Drives the cutter (DC Reversible Motor). 39
Switches
Door Indicates "Door Open" on the operation panel and
disables the key operation.
38
Left Cutter Detects whether or not the cutter is at the left home
position.
40
Right Cutter Detects whether or not the cutter is at the right home
position.
33
Sensors
Paper End Detects when the roll paper runs out. 35
Leading Edge Misfeed detector. Also detects the leading edge of the
paper to start the paper length pulse count.
42
Humidity Detects humidity and turns on the RF antihumidity heaters
while copying is not being done (if the humidity is higher
than 45%).
34
Printed Circuit Board
RF Control Controls all roll cutter unit functions in accordance with
copier CPU.
37
Others
Upper RF
Antihumidity Heater
Removes humidity from the roll paper 41
Lower RF
Antihumidity Heater
Removes humidity from the roll paper 36
Rev. 5/95
SM 7-3 A163
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