Lexmark E238 Service Manual - Page 82
Diagnostics-E340 and E342n, Power-On Self Test (POST) sequence
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4511-xxx Diagnostics-E340 and E342n 2 Power-On Self Test (POST) sequence The following is an example of the events that occur during the POR sequence when the printer is turned on. 1. Diamonds are displayed on the operator panel. 2. While code is being loaded into DRAM, dots scroll across the operator panel. 3. A screen is displayed with the memory and processor speed. A typical example of this message is: * 32 Mb 366 Mhz 4. Performing Self Test is displayed. 5. Busy is displayed. 6. Close Door will be displayed if the cover is open. 7. Any cartridge errors, such as Defective Cartridge, are displayed. 8. Applicable maintenance messages are displayed. 9. Applicable toner low messages are displayed. 10. The printer displays Ready. 2-50 Service Manual