5. System Maintenance
Service Program Mode
• Make sure that the data-in LED is not on before you go into the SP mode. This LED indicates that
some data is coming to the machine. When the LED is on, wait for the printer to process the data.
SP Tables
See "Appendices" for the following information:
• Main SP Tables-1
• Main SP Tables-2
• Main SP Tables-3
• Main SP Tables-5
• Main SP Tables-7
• Main SP Tables-8
• Printer SP Tables
Enabling and Disabling Service Program Mode
• Do not let the user access the SP mode. Only service representatives are allowed to access the SP
mode. The machine quality or its operation is NOT guaranteed if persons other than service
representatives accesses the SP mode.
Entering SP Mode
For details, ask your supervisor.
Even if the control panel is locked, it is possible to enter the SP mode after the password mismatch
message appears. When you exit from the SP mode, the control panel becomes unlocked. To lock the
control panel again, turn the main power switch off and then back on.
• Locking the control panel: [Menu] key System Settings Administrator Tools User Restriction
[On]
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