Lexmark Optra N model 245 Service Manual - Page 70
LCD Test, Fuser Temperature, Fuser Warm-Up Time
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4049-XXX Setting "5" increases warm-up time by 90 seconds; lower settings increase the time proportionately less. Settings other than "0" may reduce throughput. Use the [+] or [-] key to change the number and then select [SAVE]. Melting letterheads may be prevented by reducing the fuser temperature as described above for paper curl. Fuser Temperature 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Fuser Temperature]. 4. Select [Normal], [No Boost], Or [Low Temperature]. 5. Press Return to return to the Diagnostics mode main menu. Fuser Warm-Up Time 1. Enter Diagnostics mode. 2. Select [PRINTER SETUP]. 3. Select [Warm-Up Time]. 4. Select a setting of "0" through "5". Use the + or - key to change the number. 0 is the shortest fuser warm-up (factory setting). 5 is the longest fuser warm-up. 5. Press Return to return to the Diagnostics mode main menu. LCD Test To test the operator panel display: 1. Enter Diagnostics mode. 2. Select [HARDWARE TESTS]. 3. Select [LCD Test]. 4. Select [Single] or [Continuous]. 5. The display goes through a continuous sequence of turning pels on and off. 6. Press Return to stop continuous LCD test. 7. Press Return to return to the Diagnostics mode main menu. 3-9