Canon NP-70 Service Manual page 7

2.3-15 Copyboard Driving Mechanism Assembly 2— 8
2.3-16 Pedestal Assembly 2— 8
2.4 OUTLINE OF THE DRIVE SYSTEM
2— 9
2.5
OUTLINE OF "ORIGINAL" MOVEMENT
2-12
2.6
OUTLINE OF COPY PAPER MOVEMENT
2-13
3 ELECTRICAL
3.1
CIRCUIT
3.2 GENERAL
3.2-1
3.2-2
3.2-3
3.3 SIGNIFICANT
SYSTEM
DIAGRAM GRAPHIC SYMBOLS
EXPLANATION OF CIRCUIT OPERATION
3— 1
3— 9
3— 9
3-14
3-27
3-33
When Power is Turned "ON" - (START;
When Copies are Desired - (COPY
When Copy Paper Fails to Exit the Copier (JAM
OPERATION TIMES
3.3-1 Heater Wait Time
3-33
3.3-2 Warm-up Time
3-33
3.3-3 Prestart for the First Feed Interval 3-33
3.3-4 First Feed Interval 3-34
3.3-5 Prestart Time 3-34
3.3-6 Copying Cycle
3-34
3.3-7 Second Feed Interval
3-35
3.3-8 Neutral Time
3-35
3.3-9 STANDBY
3-35
3.4 OUTLINE OF ELECTRICAL COMPONENTS AND CIRCUITS.
3-39
3.4-1 Switchable Taps for AC Line Voltage Compensation
3-39
3.4-2
AC Line Voltage Filter
3-39
3.4-3
Rectification Circuit Card
3-39
3.4-4 "Rapid-Start" Illumination Circuit
3-40
3.4-5 Heater Wait Control Circuit
3-41
3.4-6 Developer Monitoring Circuitry
3-47
3.4-7 Developer Temperature Control Circuit
3-49
3.4-8 Paper Cassette Monitoring Circuitry
3-51
3.4-9 Heater Control Circuit
3-54
3.4-10 Heater Control Circuit - "Zero-Cross" 3-59
3.4-11 Voltage Adapter Pedestal
3-64
4 MECHANICAL SYSTEM
4.1
COPYBOARD ASSEMBLY
4— 1
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