Lexmark C912 Service Manual - Page 163

5055-xxx The power indicator blinks indicating the memory test is in process. The printer runs this test continually. The test can be terminated by powering off the printer. Each time the test finishes, the screen is updated with the result. If the test is successful, the Pass Count increments by 1. If the test fails, a failure message displays for approximately three seconds and the Fail Count increments by 1. Once the maximum pass count or fail count is reached, the test stops and final test results display. ROM Memory Test The ROM Memory Test checks the validity of the RIP code and fonts. When this test is selected from the operator panel, the printer begins testing ROM memory and the following message is displayed. ROM Memory Test P:##### F:##### Terminology: P:###### represents the number of times the memory test finishes successfully. Initially 000000 displays for ######. The maximum pass count is 999,999. F:##### represents the number of times the memory test finishes with errors. Initially 00000 displays for #####. The maximum fail count is 99,999. The power indicator blinks indicating the memory test is in process. The printer runs this test continually. The test can be terminated by powering off the printer. Each time the test finishes, the screen is updated with the result. If the test is successful, the Pass Count increments by 1. If the test fails, a failure message displays for approximately three seconds and the Fail Count increments by 1. Once the maximum pass count or fail count is reached, the test stops and final test results appear. • ROM Checksum Error • ROM Burst Read Error Press Return or Stop to exit the test. Diagnostic aids 3-13