Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures
6-30
6.2.15 Inoperative printer Continued
3. Does the fan rotate when Main Power is switched ON?
Yes No
Go to Go to step 4. Replace the MCU PWB
4.
Unplug P/J 31 on the MCU PWB.
Unplug P/J 51 on the Controller (ESS) PWB.
Switch ON Main Power.
Do the LCD and Fan function normally?
Yes No
Replace the ESS Assembly. Go to Step 5.
5. DRIVE ASSEMBLY ANALYSIS
Disconnect P/J 14 from the MCU PWB.
Switch ON Main Power.
Do the LCD and Fan function normally?
Yes No
Replace the Drive Assembly. Go to Step 6.
6. PICK–UP SOLENOID ANALYSIS
Disconnect P/J 17 from the MCU PWB.
Switch ON Main Power.
Do the LCD and Fan function normally?
Yes No
Replace the Pick–Up Solenoid. Go to Step 7
7. ROS ASSEMBLY ANALYSIS
Disconnect P/J 12 from the MCU PWB.
Switch ON Main Power.
Do the LCD and Fan function normally?
Yes No
Replace the ROS Assembly. Go to Step 8