6 MX 800 SERIES TROUBLESHOOTING GUIDE
Step 3: Check the
cable connections
1 Ensure that all cables are correctly connected.
2 If cables are connected properly, check that the cable is in working order by
connecting a known good cable. If transactions process with this cable,
replace the defective cable.
3 If the problem persists, contact your local VeriFone representative for
assistance.
No Response
From the Stylus
The following are the corrective steps to be taken if the terminal does not respond
to the stylus inputs. (This procedure does not apply to the MX 830 terminal without
touch screen.)
1 Make sure that the terminal supports this stylus.
2 Unplug the stylus that does not respond and connect a known working stylus.
3 If the problem persists, contact your local VeriFone representative for
assistance.
Gap in Captured
Signature
The following are the corrective steps to be taken if there is a gap in captured
signature. (This procedure does not apply to the MX 830 terminal without touch
screen.)
1 Ensure that the stylus is in contact with the screen during signature capture.
2 If the problem persists, contact your local VeriFone representative or service
provider for assistance.
Detecting
Excessive EMI
Fields
Devices used to deactivate magnetic labels can cause electro-magnetic
interference (EMI) that could interfer with the MX 800 Series terminal. You can
use the MX 800 Series terminal’s Diagnostic mode to sense and visually indicate
the presence of a disruptive strength EMI field.
While in MSR Diagnostic mode, the terminal will display a warning message if the
card reader senses a sufficiently strong EMI field. Moving the terminal away from
the EMI field eliminates the warning message; moving the terminal into the field
produces the message. You can use this information to determine a proper
mounting position for the MX800 Series terminal.
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