Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures
6-31
6.2.15 Inoperative printer continued
8. TONER SENSOR ANALYSIS
Disconnect P/J 21 from the MCU PWB.
Switch ON Main Power.
Do the LCD and Fan function normally?
Yes No
Replace the Toner Sensor Assembly Go to Step 9.
9. FEEDER PWB ANALYSIS
Disconnect P/J 13 from the MCU PWB.
Switch ON Main Power.
Do the LCD and Fan function normally?
Yes No
Go to Step 10. Go to Step 15.
10. OPTIONAL FEEDER ANALYSIS
Reconnect P/J 13 on the MCU PWB.
Remove the Optional Feeder from the printer.
Switch ON Main Power.
Do the LCD and Fan function normally?
Yes No
Go to Step 11. Go to Step 13.
11. FEED SOLENOID ON OPTIONAL FEEDER ASSEMBLY ANALYSIS
Unplug P/J 201 on the Optional Feeder PWB.
Is there continuity (0 ohms) between J201–1 and J201–2?
Yes No
Go to Step 12. Replace the Feed Solenoid on the Optional Feeder Assembly.
12. TURN SOLENOID ON OPTIONAL FEEDER ASSEMBLY ANALYSIS
Unplug P/J 202 on the Optional Feeder PWB.
Is there continuity (0 ohms) between J202–1 and J202–2?
Yes No
Replace the Optional Feeder PWB. Replace the Turn Solenoid on the Optional Feeder Assembly.