Diagnostic information 2-85
5060-4xx
925 error code
Fuser fan (main fan)
926 error code
VTB Fan service check
Step Actions and questions Yes No
1 Turn the power off and manually spin the fan and check
that it rotates freely.
Does the fan rotate freely?
Go to step 2 Replace the
“Fuser fan” on
page 4-38
2
Check the fuser fan cable connection to the system
board, J31 for correct installation.
Is the cable installed correctly?
Go to step 3 Install the cable
correctly
3
Disconnect the fuser fan from J31 on the system board
and check the voltages on J31.
Are the voltages correct?
Replace the
“Fuser fan” on
page 4-38
Replace the
“System board”
on page 4-72
Step Actions and questions Yes No
1 Turn the power off and manually spin the fan and check
that it rotates freely.
Does the fan rotate freely?
Go to step 2 Replace the
“Vacuum
transport belt
(VTB) fan” on
page 4-79
2
Check the VTB fan cable connection to the system
board, J32 for correct installation.
Is the cable installed correctly?
Go to step 3 Install the cable
correctly
3
Disconnect the VTB fan from J32 on the system board
and check the voltages on J32.
Are the voltages correct?
Replace the
“Vacuum
transport belt
(VTB) fan” on
page 4-79
Replace the
“System board”
on page 4-72
Pin Fan on Fan off Fan disconnected
Fan switch on
Fan discon-
nected
Fan switch
off
J31-1 +1.6 V dc +3.3 V dc +3.3 V dc +3.3 V dc
J31-20 V0 V0 V 0 V
J31-3 +1.9 V dc 0 V dc 0 V +2 V dc
J31-4 +24 V dc +24 V dc +24 V dc +24 V dc
J31-5 Ground
Pin Fan on Fan off Fan
disconnected
fan switch on
Fan
disconnected
fan switch off
J32-1 +1.6V dc +3.3 V dc +3.3 V dc +3.3 V dc
J32-20 V0 V0 V 0 V
J32-3 +3.1 V dc 0 V dc 0 V +2 V dc
J32-4 +24 V dc +24 V dc +24 V dc +24 V dc
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