Specifications

Chapter 7 Using the Diagnostic Tool
The Diagnostic Tool
The Diagnostic Tool is a handheld keypad and display that you use to enter and run the various
internal diagnostic programs of the printer. The tool has a keypad with eight keys, four LEDs, and
an LCD that displays text.
Installing the Diagnostic Tool
1. Remove all of the covers except the Front Transport Assembly.
2. Remove the controller, controller enclosure, interconnect enclosure.
3. Thread the Diagnostic Tool wiring harness through the harness bushing
on the left side of the MCU.
4. Plug the Diagnostic Tool into P20 on the MCU.
5. Reinstall the Interconnect enclosure and loosely fit the contoller enclosure back on.
Printer Modes
The DEClaser 3500 printer has five modes of operation; each with a unique set of options:
• ESS (Controller) Mode
• User Operation Mode
• Printing Test Mode
• Diagnostic Mode
• Configuration Mode
Entering a Printer Mode
You enter a printer mode by pressing the appropriate key on the Diagnostic Tool and switching
the printer Main Power ON. You cannot shift between printer modes. You must switch the Main
Power OFF, then ON again to select another mode or to exit the current mode. This section of
the manual provides specific directions for entering each mode.