Service Manual
Page 47
... LED is on . If no defect is not successful replace the serial interface adapter. The problem may be with the interface cable, the computer, the printer driver, or the specific job being sent. Run the "Serial Interface Adapter Print Test" on page 4-5. If the test is found, the... printer and serial interface adapter are working correctly. Check the connection and continuity of the interface cable. No Print or Abnormal Print Service Check FRU/Function ...
... LED is on . If no defect is not successful replace the serial interface adapter. The problem may be with the interface cable, the computer, the printer driver, or the specific job being sent. Run the "Serial Interface Adapter Print Test" on page 4-5. If the test is found, the... printer and serial interface adapter are working correctly. Check the connection and continuity of the interface cable. No Print or Abnormal Print Service Check FRU/Function ...