Phaser 4400 Laser Printer’s Service Manual

Contain Inside :

Error Messages and Codes, This section covers troubleshooting procedures for the Phaser 4400 Laser Printer’s front panel error messages. Only jams and fatal errors will produce an associated numeric code. Error messages and codes are usually specific, making it important that service personnel and users record errors exactly when reporting problems with the printer. The Service Flowchart outlines one possible approach to troubleshooting and repair of the printer. The Service Flowchart is an overview of the path a service technician could take, using this technical manual, to service the printer and options. Step by step to Identify the Problem. Inspect and Clean the Printer. Find the Cause of the Problem. Correct the Problem. Final Checkout. Each Step in a Troubleshooting Procedure instructs you to perform a certain action or procedure. The steps are to be followed sequentially in the order given until the problem is fixed or resolved. Troubleshooting Procedures often ask you to replace a printer component. The section FRU Disassembly on page 6-1 provides detailed steps for removing and replacing all major parts of the printer. The printer’s Service Diagnostics provide the ability to: Print the Service Diagnostics Menu Map. Check the current print engine status. Test the functionality of printer motors and fans, solenoids, and clutches. Error Message Summaries, The messages listed in the Diagnostic Message column appear only in Service Diagnostics while printing Engine Test Prints. The code numbers in these messages also appear as part of the Help information displayed when you press i.


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