Gestetner A294, Service Manual

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ELECTRICAL COMPONENT DESCRIPTION
SM 8-5 A294/A295
3,00
0-
Sh
eet
Finis
h
e
r
B302
Symbol Name Function
S19
Upper Tray Paper
Limit Detects when the paper stack height in the upper tray
is at its upper limit.
S20
Shift Tray Half-turn Detects the return position for side-to-side movement
of the shift tray.
S21
Shift Tray Lower
Limit 1 Detects when the shift tray is nearly at its lower limit.
S22
Shift Tray Lower
Limit 2 Detects when the shift tray is at its lower limit.
S23
Punch Waste
Hopper Detects when the punch waste hopper is full and
detects when the punch tray is set.
S24
Punch HP Detects the home position of the punch shaft and
roller.
S25 Stapler Return Detects the on timing of the stapler return solenoid.
Switches
SW1 Front Door Safety Cuts the dc power when the front door is opened.
SW2
Shift Tray Upper
Limit Cuts the power to the shift tray lift motor when the
shift tray position is at its upper limit.
Solenoids
SOL1
Stapler Junction
Gate Drives the stapler junction gate.
SOL2 Tray Junction Gate Drives the tray junction gate.
SOL3
Pre-stack Junction
Gate Drives the pre-stack junction gate.
SOL4
Pre-stack Paper
Stopper Drives the pre-stack paper stopper.
SOL5 Positioning Roller Moves the positioning roller against the stapling tray.
SOL6
Stapler Return Returns the stapler to its guide from the user
operation position.
PCBs
PCB1
Main Controls the finisher and communicates with the
copier.
PCB2
Punch Passes signals between the punch unit and the
finisher main board.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA