Specifications

Chapter 6: FRU Replacement and Fault Isolation Procedures
6-36
6.2.17 Inoperative key pad Continued
3.
Short P/J 52 through the chassis hole (1 inch below the controller).
Does the self test page operate?
Yes No
Go to step 5 Replace the MCU PWB.
4. Does the printer print a start-up page at power fault code Up?
Yes No
Replace the console assembly. Replace the controller
(ESS).