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IBM 6400 Series Maintenance Manual

IBM 6400 Series
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116 Troubleshooting
Install the paper detector switch assembly.
2. Check that connector P106/PMD is fully seated in connector J106 on the CMX
controller board.
Connect P106/PMD to J106 on the CMX controller board.
3. Power on the printer. Load paper.
Replace the paper detector switch assembly if either message appears.
4. Power on the printer. Load paper.
Replace the CMX controller board if either message appears. Record the
message and return it with the defective board.
CLEAR JAM message will not clear and paper does not move
1. 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.
2. Check the paper feed motor pulley for looseness.
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).
3. Check the condition and tension of the paper feed timing belt.
Adjust the paper feed timing belt. Replace the belt if it is damaged.
4. Power on the printer. Load paper. Press Form Feed and View several times and
check that paper moves correctly in both directions.
Replace the paper feed motor if the message appears or the paper
moves erratically.
5. Power on the printer. Press Form Feed and View several times and check that
paper moves correctly in both directions.
Replace the CMX controller board if the message appears or the paper
moves erratically. Record the message and return it with the defective
board.
CLEAR JAM message will not clear but paper moves
1. Power off the printer. Remove the paper guide assembly or pedestal top cover.
Check that connector P106/PMD is fully seated in connector J106 on the CMX
controller board.
Connect P106/PMD to J106 on the CMX controller board.

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IBM 6400 Series Specifications

General IconGeneral
BrandIBM
Model6400 Series
CategoryPrinter
LanguageEnglish

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