HP C30 - Page 60

TAG 001: Troubleshooting a Problem
3-6 Troubleshooting Analysis Guide (TAGs) June 1999
6 Run test prints from the upper cassette by completing the following:
• Power-on-reset the printer.
• Run test prints from the upper cassette.
Did an error code appear while running the prints?
No: Continue.
Yes: Look up the code in Chapter 2, “” to determine which TAG to follow, and then turn to
that TAG.
7 Run test prints from the lower cassette by completing the following:
• Press STOP and allow the cycle to finish.
• Remove the upper cassette.
• Power-on-reset the printer.
• Run test prints from the lower cassette.
Did an error code appear while running test prints?
No: Continue.
Yes: Look up the code in Chapter 2, “” to determine which TAG to follow, then turn to that
TAG.
8 Check communications by completing the following:
• Turn the printer off.
• Reinstall all communication cables.
• Reinstall the upper cassette.
• Power-on-reset the printer.
• Re-run the customer’s problem print job.
Does the job fail?
No: Continue.
Yes: Go to TAG 753: External Communications Malfunction.
9 Complete the following:
• Run test prints.
• Re-run the customer’s problem print job.
Does an error code appear?
No: Continue.
Yes: Look up the code in Chapter 2, “”, then turn to TAG indicated in the table.
10 Run a job which is known to be good.
• Compare the output from the problem print job to the output from the good print job.
Can you identify the problem?
No: Return to the beginning of the TAG, following the procedures carefully to determine the
kind of problem your customer has.
Yes: Identify the problem as either a print quality problem or a mechanical malfunction, find
the problem in the appropriate cross-reference table, identify a TAG addressing that prob-
lem, then turn to that TAG.