Lexmark Optra S Service Manual - Page 81

4059-XXX Configuration 2 A level I fuser board and level II engine board are installed in configuration 2. Note: Check the fuser envelope conditioner solenoid adjustment as described in the adjustment section "Fuser Solenoid Adjustment" on page 4-3. FRU Action 1 Engine Board Jumpers Check to make sure a jumper is installed between JP1-2 and JP1-3 and also between JP2-2 and JP2-3 on the engine board. Note: If the jumpers are not in the correct position on the engine board, damage can result to the fuser board. 2 Fuser Envelope Conditioner Solenoid The operation of the fuser solenoid can be observed by removing the redrive assembly. Check for proper mechanical operation of the solenoid and associated hardware, link and so on. If correct, check the resistance of the solenoid between J4-1 and J4-2. The resistance measures between 5 ohms and 10 ohms. If the resistance is incorrect, replace the solenoid assembly. 3 Fuser Control Board The solenoid receives power from the fuser control board. The fuser control board receives +42Vdc from the LVPS via the interconnect board and envelope conditioner cable. Check for approximately +42 V dc at the +42 V dc test point on the fuser control board, If the voltage is incorrect, replace the fuser control board. Diagnostic Information 2-54