Procedure Before Starting The 9Yy Service Checks - Lexmark MX61 Series Service Manual

Cooling fan service check
Action
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?
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?
Step 3
Is the fan idle?
ACM service check
Action
Step 1
Check the pick/lift motor gearbox for proper operation.
a
POR into the Diagnostics menu and perform a feed test:
Diagnostics Menu > Input Tray Tests > Feed Test > Tray 1
b
Check if the pick/lift motor gearbox rotates on each pick.
Does it rotate during the feed test?
Step 2
Lower the ACM assembly, and rotate the pick roller toward the front
without touching the pick tire.
Does it rotate properly?

Procedure before starting the 9yy service checks

You will need to retrieve certain information. This information 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.
Diagnostic information
144
Yes No
Go to step 2. Replace the cooling
fan. See
fan removal" on
page
Go to step 3. Replace the
controller board. See
"Controller board
removal" on
page
Replace the cooling The problem is
fan. See "Cooling solved.
fan removal" on
page 281.
Yes No
Go to step 2. Replace the pick/lift
motor gearbox. See
"Pick/lift motor
gearbox removal"
on page
Replace the Replace the ACM
controller board. See assembly. See
"Controller board assembly removal"
removal" on on page
page 282.
7016
"Cooling
281.
282.
338.
"ACM
336.