Action Yes No
Step 11
Check the optional tray controller board and its connector pins for
damage.
Are the tray controller board and its connectors free of damage?
Contact the next
level of support.
The problem is
solved.
Step 12
Replace the optional tray controller board. See
“2100-sheet tray
controller board removal” on page 483.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
17y errors
171 error messages
Error code Description Action
171.82 Main fan speed did not ramp up to the required
level.
See
“Main fan failure service check” on
page 339.
171.83 Main fan stalled.
171.84 Main fan ran too slow.
171.85 Main fan ran too fast.
173 error messages
Error code Description Action
173.82 Cartridge fan speed did not ramp up to the required
level.
See
“Cartridge fan failure service check” on
page 340.
173.83 Cartridge fan stalled.
173.84 Cartridge fan ran too slow.
173.85 Cartridge fan ran too fast.
Main fan failure service check
Action Yes No
Step 1
Check if the following cables are properly connected:
• cable J71 on the controller board
• main fan cable
Are the cables properly connected?
Go to step 3. Go to step 2.
4064
Diagnostics and troubleshooting
339
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