Description: Service Call Toner Empty Rcv Improper connection between engine controller board and toner sensor receiver board.
Remedy: 1 Turn printer off, and remove engine controller board shield. See “Engine controller board removal” for steps to remove engine controller board shield. Is cable properly connected to engine controller board connector MCN8? Go to step 2. Properly connect cable. Retest printer. If error clears, problem solved, otherwise go to step 2. 2 Check the following for continuity between engine controller board MCN8 cable and toner empty sensor (receiver-TTR) cable. See “Toner sensor (receiver) removal” for steps to gain access to sensor cable. MCN8 Toner empty sensor sender pin 2 pin 1 pin 4 pin 2 pin 6 pin 3 pin 8 pin 4 pin 9 pin 5 pin 10 pin 6 Also check for shorted pins. Is cable okay? Go to step 3. Replace cable. Retest printer. If error clears, problem solved, otherwise go to step 3. 3 Replace toner empty sensor (receiver-TTR). See “Toner sensor (receiver) removal” for steps. Retest printer. Does error clear? Problem solved. Go to step 4. 4 Replace engine controller board. See “Engine controller board removal”. POR printer. Does error clear? Problem solved. Contact higher level support.
Code: N6
Description: Service Call LFU Connection Improper connection between engine controller board and lower paper feed unit.
Remedy: 1 Turn printer off, and remove engine controller board shield. See “Engine controller board removal” for steps to remove shield. Is cable properly connected to engine controller board connector MCN6? Go to step 2. Properly connect cable. Retest printer. If error clears, problem solved, otherwise go to step 2. 2 Remove right cover. See “Right cover removal”. Check cable that connects engine controller board connector MCN6 to lower feed unit for continuity and pin shorts. Is cable okay? Go to step 3. Replace cable. 3 Replace lower feed unit. See “Secondary paper feed assembly removal”. Does error clear? Problem solved. Go to step 4. 4 Replace engine controller board. See “Engine controller board removal”. Does error clear? Problem solved. Contact higher level support.
Code: P6
Description: Service Call Pfeed Clutch Tray 2 Data communication error between engine controller board and LFU paper-feed clutch.
Remedy: 1 Turn printer off, and remove engine controller board shield. See “Engine controller board removal” for steps to remove shield. Is cable properly connected to engine controller board connector MCN6? Go to step 2. Properly connect cable. Retest printer. If error clears, problem solved, otherwise go to step 2. 2 Remove right cover. See “Right cover removal”. Check cable that connects engine controller board connector MCN6 to lower feed unit for continuity and pin shorts. Is cable okay? Go to step 3. Replace cable. 3 Replace lower feed unit. See “Secondary paper feed assembly removal”. Does error clear? Problem solved. Go to step 4. 4 Replace engine controller board. See “Engine controller board removal”. Does error clear? Problem solved. Contact higher level support.