- HP Printer User Manual

3-146 Troubleshooting Analysis Guide (TAGs)
TAG 754: Attachment Option Malfunction
Error Code: 754
Symptoms: Job fails only when an attachment option is used.
Possible Causes: Lack of voltage
Possible Defects: Attachment option
Communication cables
Cable connectors
Signal interface board
Signal interface board fuse
IGS board
Host computer
Host interface cable
Communication problems may require trial replacement of numerous parts. After each
trial replacement, run the job that exhibited failure.
1 Turn off the printer and unplug the power cord.
• Disconnect all attachment cables.
• Open the back cover and install an interlock by-pass tool.
• Confirm that J/P8, J/P32, and J/P74 are connected properly.
• Confirm that the signal interface board DIP switches are set correctly.
• Reinstall all communication cables.
• Power-on-reset the printer.
• Confirm that the printer has been correctly configured using the printer’s soft configuration
mode.
• Run the failing job.
Has the problem been resolved?
No: Continue.
Yes: Loose or damaged connectors, software configuration, or DIP switches were at fault.
Turn to TAG 002: Check & Problem Resolution.
2 Turn the printer off and unplug the power cord.
• Check the signal interface board fuse for continuity.
Does the fuse have continuity?
No: Continue.
Yes: Go to #5 in this TAG.
3 Disconnect the cables from the attachment option to the printer.
• Replace the signal interface board fuse.
• Turn on the printer for five seconds, then turn it off.
• Check the signal interface board fuse for continuity.
Does the fuse have continuity?
No: Replace the signal interface board, then turn to TAG 002: Check & Problem Resolution.
Yes: Continue.