MX-PE12 FIERY. Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 67

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Service Guide: Fiery® Server MX-PE12

Troubleshooting

MX-PE12 starts up, but 
the Fiery screens on the 
printer touch panel are 
unavailable for more 
than 10 minutes

One of the following:

Printer interface firmware has 
been upgraded and a system 
reboot is required

Faulty connection between the 
MX-PE12 and the printer

1 Reboot the printer and wait for the printer and the MX-

PE12 to start up and reach Idle. 

2 After the MX-PE12 has finished starting up, press the 

Services Home button on the printer. 

3 Verify that the MX-PE12 and the printer have the same time 

and date information. If the time and date information do 
not match on both devices, the Fiery icon may fail to appear. 

For information on how to check and set the time and date 
on the MX-PE12, see Configuration and Setup, which is part 
of the user documentation set. For information on how to 
check and set the time and date on the printer, see the 
printer documentation.

4 Reboot the MX-PE12.

5 Check and reseat the cable connections between the MX-

PE12 and the printer.

6 Replace the external cables one by one.

MX-PE12 starts up, and 
stays on, but does not 
reach Idle

One of the following:

Service switches are not set for 
Normal operation

System software is corrupt

Hard disk drive is faulty

Missing or faulty DIMM(s), or 
faulty DIMM connections

Motherboard
is faulty 

CPU missing or faulty

1 Make sure that the MX-PE12 service switches are both set 

to OFF for Normal operation (away from “ON”).

2 Power off/on the MX-PE12.

3 Reinstall system software.

4 Reseat the cables to the hard disk drive.

5 Replace the hard disk drive cable.

6 Replace the hard disk drive.

7 Check the DIMM(s) and reseat them to remove any 

oxidation on the connectors.

8 Replace the motherboard.

9 Replace  the  CPU.

User authentication 
feature of the printer 
does not work

Faulty printer interface 
connections

Check connections of the printer interface board and 
replace associated cables or the printer interface board, if 
necessary.

Clock is slow; time 
listed on Configuration 
page is earlier or later 
than the actual time

One of the following:

Missing or dead battery on the 
motherboard

Faulty motherboard

1 Replace the battery on the motherboard, and then update 

the time in MX-PE12 Setup.

For information about MX-PE12 Setup, see Configuration 
and Setup

, which is part of the user documentation set.

2 Replace the motherboard.