131Troubleshooting
15.2
± 1.5 Ohms on both phases. (Refer to the power stacker control panel
PCBA pinout drawing on page 304.)
Replace any cable that is damaged or fails continuity test.
Replace any motor that fails the resistance test.
TOF is lost repeatedly
1. Check that the customer is setting the forms length to match the size paper used.
Set the forms length to match the length of paper being used.
2. If the customer is using multi-part forms, check that the forms thickness lever is
not being set too tightly.
Set the forms thickness lever to match the thickness of paper and
provide satisfactory print quality, but not too tightly.
3. Check the paper feed motor pulley for looseness. Make sure the correct pulley is
being used: it should have 25 teeth.
Hold the collar snug against the motor pulley and torque the 7/64 inch
setscrew to 25
± 2 inch-pounds (2.82 ± 0.23 Nm). Replace the paper
feed pulley if it does not have 25 teeth.
4. Check the condition and tension of the paper feed timing belt.
Adjust the paper feed timing belt. Replace the belt if it is damaged.
5. Remove the paper guide assembly or pedestal top cover. Make sure connector
P107/PAPR M is fully seated in connector J107 on the CMX controller board.
Connect P107/PAPR M to J107 on the CMX controller board.
6. Power on the printer. Load paper and set TOF. Press Form Feed and View
several times and check that paper returns to TOF.
Replace the paper feed motor if paper does not return to TOF.
7. Power on the printer. Press Form Feed and View several times and check that
paper returns to TOF.
Replace the CMX controller board if paper does not return to TOF.
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