Cooling fan service check
Action Yes No
Step 1
a Make sure that the cable JFAN1 is properly connected to the controller
board.
b Check if the cooling fan is rotating properly.
Is it rotating properly?
Go to step 2. Replace the cooling
fan. See
“Cooling fan
removal” on page
186.
Step 2
a Turn off the printer, and disconnect JFAN1 from the controller board.
b Turn on the printer, and measure the voltage across JFAN1.
Is the voltage approximately 24 V?
Go to step 3. Replace the controller
board. See
“Controller
board removal” on
page 187.
Step 3
Is the fan idle?
Replace the cooling
fan. See
“Cooling fan
removal” on page
186.
The problem is solved.
Steps before starting the 9yy service checks
Before starting the service checks in this section, you will need to retrieve certain information. This will aid your next
level of support in diagnosing the problem before replacing the controller board.
Warning—Potential Damage: Do not replace the controller board unless directed by your next level of support.
1 Collect the history information and firmware logs (Fwdebug and logs.tar.gz) from the SE menu.
2 Collect the settings from the menu settings page.
3 Collect information from the user.
Note: Not all of the items can be retrieved from the printer you are working on.
A. Collecting the history information from the SE menu
Note: Make sure your printer is connected to a network or to a print server.
1 From a Web browser, type http://printer_IP_address/se, and then press Enter.
Notes:
• printer_IP_address is the TCP/IP address of the printer
• se is required to access the printer diagnostic information
2 Click History Information, copy all information, and then save it as a text file.
3 E-mail the text file to your next level of support.
B. Collecting the firmware logs (Fwdebug and logs.tar.gz) from the SE menu
Notes:
• Make sure your printer is connected to a network or to a print server.
4514
Diagnostic information
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