Instruction manual

The Procedures

STACKER FULL Message

1. Status message: the power paper stacker is full.

Unload the stacker.

2. Check the stacker limit switches. (See page 83.)

If the limit switches are OK, go to the next step.

3. Power off the printer. Remove the paper path. Disconnect stacker cables

from the CMX controller board, stacker assembly, and the stacker control

panel (see Figure 59, page 313). Check cables for cuts, breaks, or

damaged pins. Check continuity of cables. (See Appendix A.)

Replace any cable that is damaged or fails continuity test. Reconnect

all stacker cables to the CMX controller board, stacker, and stacker

control panel.

STACKER JAM Message

1. Paper is bunching above the elevator or the paper motion detector is not

working properly.

Remove the paper jam.

2. Power off the printer. Check that the wheel of the stacker paper motion

detector rests against the rear brace of the paper throat. Also make sure

the wheel rotates freely on its axle.

If necessary, gently bend the brace toward the paper motion detector

wheel until the wheel contacts the brace. Clean the stacker paper

motion detector.

3. Power on the printer. Operate the power stacker. (Refer to the

Operator’s

Guide.)

While the stacker is operating, check that:

a) all motors are operating

b) the paddles are rotating

c) the elevator moves smoothly and without obstruction

d) the timing belts are undamaged and the belt pulleys are not slipping

e) the extension springs are attached and undamaged (not bent or

stretched)

f) the drive rollers are not damaged

Tighten pulley setscrews and/or replace damaged components as

necessary.

4. Power off the printer. Remove the paper path. Disconnect stacker cables

from the CMX controller board, stacker assembly, and the stacker control

panel (see Figure 59, page 313). Check cables for cuts, breaks, or

damaged pins. Check continuity of cables. (See Appendix A.)

Replace any cable that is damaged or fails continuity test. Reconnect

all stacker cables to the CMX controller board, stacker, and stacker

control panel.

Stacker limit switch check

NOTE: This procedure tests the motion limit switches at the top and bottom

of the vertical rails. You will usually be referred to this procedure from