Troubleshooting Procedures - IBM 6400 series Maintenance Manual

Troubleshooting Procedures

MESSAGE / MALFUNCTION
TEST / INSPECTION / EXPLANATION
CORRECTIVE ACTION
001 END OF FORMS
LOAD FORMS
1. Attention message: the printer is out of paper.
Load paper. Press Stop. If message does not clear, go to step 2.
2. Check forms for dark backs or holes/perforations large enough to cause false
End Of Forms messages.
Consider ordering the black back paper detector switch assembly.
3. Power off the printer. Remove the paper guide assembly or pedestal top cover.
Remove the barrier shield (cabinet model) or the barrier shield and paper guide
(pedestal model, see Figure 44, page 271). Check that the paper detector switch
assembly is securely mounted in its bracket and the sensors are clean.
Make sure the sensors are securely snapped into the bracket, the
mounting screws hold the paper detector switch assembly securely, and
clean the sensors if they are dirty.
4. 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.
5. Power on the printer. Load paper.
Replace the paper detector switch assembly if the message appears.
6. Power on the printer. Load paper.
Replace the CMX controller board if the message appears. Record the
message and return it with the defective board.
002 FORMS JAMMED
CLEAR JAM AND RELOAD FORMS
1. Attention message: the printer cannot detect paper motion. Inspect the paper
path for jams.
Clear jams. Load paper.
70 Troubleshooting