Craden DP8 Manuale supplementare - Pagina 8

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1. Use a spring gauge to measure the force required to raise the right end of the rear upper

roller very slightly. It should measure 6 to 8 ounces (170 to 225 gm).

2. If necessary, adjust this force by loosening the roller spring cam screw on the right side

plate and raising or lowering the cam.

3. Repeat steps 2 & 3 on the left end of the rear upper roller.

5.4.6 Auto Alignment Gate Ramp

The gate ramp is properly adjusted if the screws that mount the roller springs to the gate have

about 0.02" (0.5mm) clearance to the bottom of the side plate slots when the gate arm is at

rest against the left side plate stop. Field adjustment is usually unnecessary. If it is necessary:

1. Insert a long 3/32 Allen wrench through the slot in the input tray and loosen the ramp

adjustment screw. The input tray may be removed by removing 3 screws from the

baseplate if you are unable to locate the ramp screw through the input tray slot.

2. Hold the ramp arm against the stop on the left side plate and move the ramp adjustment

screw toward the left until the gate just begins to rise. Tighten the screw in this position

Move ramp this way to

raise gate

5.4.7 Auto Alignment Gate Height

The gate ramp must be properly adjusted (see 5.4.6) before gate height is adjusted.

1. Raise the gate by pressing 9 4 7 FUNCT A .

2. Press FUNCT to adjust gate height. The gate fingers should be as close as possible (within

0.02" or 0.5mm) to the input guide without touching it. Each press of Awill slightly raise

the gate and each press of Bwill slightly lower the gate. When the gate is at the correct

height, press ENTER.

3. Press Bto lower the gate and then press Ato check for correct gate height. Press Bto

lower the gate and CLEAR to exit the test.

Roller Shaft

Ramp Arm

View: Ramp arm from front of printer with input tray removed

Input Guide

Looking into the document drive. Input tray removed for clarity. Gate in "up" position

Ramp Adjustment Screw

Ramp

Roller Segments

Gate fingers

Move ramp this way to

lower gate