Lexmark T632 Service Manual - Page 136

4060-xxx Clearing the error log 1. Select Clear Log from the Error Log menu. ERROR LOG Clear Log 2. Select YES to clear the Error Log or NO to exit the Clear Log menu. If YES is selected, Empty Error Log displays on the screen. 3. Press Return/Stop to exit the Clear Log menu. Hardware tests Select the following Hardware Tests from this menu: • LCD Test • Button Test • DRAM Memory Test • ROM Memory Test • Parallel Wrap (if available) • Serial Wrap (if available) • Serial 1 Wrap (if available) • Serial 3 Wrap (if available) LCD Test 1. Select LCD Test from the Diagnostic menu. The LCD test continually executes the LCD display test. 2. Press Return/Stop to cancel the test. Button Test 1. Select Button Test from the Diagnostic menu. With no buttons pressed, several OP (Open) appear on the display. 2. Press each button one at a time and a CL (Closed) displays in place of an OP. The proper operation of each button can be checked. 3. Press Return/Stop to cancel the test. 3-8 Service Manual