Lexmark C77x Service Manual page 175

C77/c78 series
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User attendance messages (continued)
User primary
Explanation
message
55 Unsupported
This message displays when an unsupported option is installed or when an
option in slot <x>
unsupported flash DIMM, such as a C750 version, is installed in a memory slot.
56 Parallel port <x>
This message may appear when data is sent to the printer across a parallel port, but
disabled
the port is disabled.
Note: Once the error is displayed the first time, reporting of further errors is
suppressed until the printer is reset or menus are entered.
The following actions can be taken:
Note: Menu Lockout does NOT prevent access to the Busy/Waiting Menu.
Note: Make sure the Parallel Buffer menu item is not set to Disabled.
56 Serial port <x>
These messages may appear when data is sent to the printer across a serial port, but
disabled
the port is disabled.
Note: Once the error is displayed the first time, reporting of further errors is
suppressed until the printer is reset or menus are entered.
The following actions can be taken:
Note: Menu Lockout does NOT prevent access to the Busy/Waiting Menu.
56 Standard USB port
These messages may appear when data is sent to the printer across the USB port,
disabled
but the port is disabled.
56 US port <x>
Note: Once the error is displayed the first time, reporting of further errors is
disabled
suppressed until the printer is reset or menus are entered.
The following actions can be taken:
Note: Menu Lockout does NOT prevent access to the Busy/Waiting Menu.
Note: Make sure the USB Buffer menu item is not set to Disabled.
1. Turn the printer off.
2. Remove the unsupported option.
3. Turn the printer on.
• Press
to clear the message.
Any data received on the parallel port is discarded.
• Press Menu to access the Busy/Waiting Menu.
The following functions may be available:
- Reset Printer
- Reset Active Bin
- Check Supply Levels
• Press
to clear the message.
Any data received on the serial port is discarded.
• Press Menu to access the Busy/Waiting Menu.
The following functions may be available:
- Reset Printer
- Reset Active Bin
- Check Supply Levels
• Press
to clear the message.
Any data received on the USB port is discarded.
• Press Menu to access the Busy/Waiting Menu.
The following functions may be available:
- Reset Printer
- Reset Active Bin
- Check Supply Levels
2-133
Diagnostic information
5061

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