Riso RP-255, Technical Manual

Page: 219 / 449

FB ORIGINAL SCANNING SECTION
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3. Flatbed Initialization
Initialization is performed in the following situations to place the flatbed in standby mode:
• When the power is switched on
• When “All reset” is performed
Initialization operation
The FB/AF HP sensor [A] is checked, and if it is OFF (open), the FB read pulse motor is activated in the
return direction until the light path is blocked, to move the lamp carriage [B] to the left in the photograph.
Once the FB/AF HP sensor [A] turns ON (blocked), it is moved a further set distance before the
operation ends (this is the “home position”).
The detection plate on the FB/AF HP sensor [A] is attached to the lamp carriage [B].
No movement is made if the FB/AF HP sensor [A] is ON from the start.
A: FB/AF HP sensor
B: Lamp carriage