HP 750 - Manual (Page 125)

Troubleshooting C4705-90000 8-7
Message Error/Action
Roll misaligned
Reload roll
D Roll media is misaligned. Unload roll media. Open the roll cover
and push the media roll all the way to the right so that it is
flush against the media stop on the roll core. Reload, making
sure that the left/right media edges are flush with the left/right
edges of the roll
RS-232 error
Baud, parity
D The RSĆ232ĆC interface is configured incorrectly. Press the
Enter button to clear the message from the front panel display.
Check the baud rate and parity settings on the front panel and
in the software application configuration. Adjust the setting as
required to ensure compatibility.
D This error can also indicate a framing error caused by the
wrong number of start/stop bits sent or the wrong data word
length. The plotter expects 1 start bit, 7 data bits, 1 parity bit,
and 1 stop bit.
RS-232 error
Handshake
D The RSĆ232ĆC interface is configured incorrectly. Press the
Enter button to clear the message from the front panel display.
Check the handshake settings in the application software
configuration. Adjust the settings in the software application
configuration as required to ensure compatibility.
You cannot change the handshake setting in the plotters front panel.
Service pens
Continue
D Pen checking is ON and an error has been detected. Press the
Up Arrow button if you want to service the cartridges (replace
or reseat). Press the Down Arrow button if you want to
continue without servicing the pens.
D Pen checking is OFF and one of the cartridges is overheated.
Replace the cartridge.
Servo Processor
Initialized
D The ROM SIMM firmware is not recognized. Replace the ROM
SIMM (details ' page 6Ć7) and/or replace the main PCA (details
' page 6Ć9).