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).
43
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 lower 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
31 October 1994
ELECTRICAL COMPONENT DESCRIPTIONS
3