01/026-38825/8830 Printer To Enter The Diagnostic ModeGeneral ProceduresTo Enter The Diagnostic ModeThe diagnostic mode is entered by pressing and holding the zero (0) button while switching onthe printer. The Diagnostic Mode may also be entered from the Control Panel by entering thePrinter Menu > Diagnostics, and entering the password (6789).When entering the diagnostic mode, the Message Display will indicate the Copyright message,the message ROM configuration, and the software revision level.( Figure 1): The following message will be displayed when the diagnostic mode is entered.Figure 1 Control Panel ButtonsEnter the first two digits of the code and press Enter button, then enter the second two digitsof the code, and press the Enter button to begin the test.(Figure 2): The Control Panel buttons are identified in the following diagram:Figure 2 Control Panel ButtonsThe code entered will be displayed on the Control Panel. The test name will be in the bottomline of the display along with test feedback information. There also may be additional informa-tion displayed depending on the test being run.The Exit button is used to stop the tests.The Exit button is used to clear the entry.The Test Codes consist of a chain number and a test number. The chain numbers correspondto the same chain numbers that are used in the Service Manual to identify functional areas inthe printer. The test numbers are sequential numbers to identify the tests within a chain.The chain numbers used are listed belowTable 1Chain Number Functional Area01 Standby Power02 User Interface (Control Panel)03 Printer Run Control04 Drives06 Exposure07 Media Supply08 Media Transportation09 Xerographics10 Fusing/Print Transportation11 Finishing14 Communication
