Lexmark C510 Service Manual - Page 115

5021-0XX 905-Yellow toner retract solenoid service check Step Questions / actions Yes No 1 Turn printer off and remove Replace I/O Go to step 2. I/O board shield. See "I/O board. See "I/O board removal" on board removal" page 4-70 for steps to on page 4-70. remove I/O board shield. Go to step 5. Disconnect DCN4 connector from I/O board. Measure resistance between cable pins 3 and 4. Is resistance between 162 and 198 ohms? 2 Remove items to expose Go to step 3. toner retract solenoid. See "Toner retract solenoid and cam removal" on page 4-64 for steps. Check toner retract solenoid cable connection. Is cable properly connected? Properly connect cable. Reassemble and retest printer. 3 Check toner retract Replace Go to step 4. solenoid cable and damaged cable connecting cable for visible or toner retract damage. Is either cable solenoid. See damaged? "Toner retract solenoid and cam removal" on page 4-64. Reassemble and retest printer. 4 Disconnect toner retract Replace toner Replace cable. solenoid cable from cable retract solenoid. Reassemble and that attaches to I/O board. See "Toner retest printer. Check cable continuity from retract solenoid DCN4 pins 3 and 4 to and cam connector that attaches to removal" on toner retract solenoid. page 4-64. Ensure that pins are not Reassemble and shorted. Is cable okay? retest printer. Diagnostic information 2-37