01/02
6-20
8825/8830 Printer
Cooling Fan Not Running, Cleaning Blade Squeals
General Procedures
Cooling Fan Not Running
PROBLEM
Cooling fan not running.
CAUSE
Early IOT firmware could cause a cooling fan to start improperly. This problem only occurs
with Delta cooling fans.
SOLUTION
Check the label on the cooling fans. If the label reads Delta DC Brushless install TAG 11 Firm-
ware (Ver 1.03). If Japan Servo is the manufacturer replace the cooling fan assembly.
If not noticed, the temperature inside the printer would increase on long runs. The first indica-
tion would be cleaning blade squeal during operation. Then the next probable failure would be
a bound up toner auger from solidified toner.
REQUIREMENTS FOR FIELD RESOLUTION
• DOCUMENTATION
N/A
• TAG 11
• PART NUMBERS
U.S. - 600K59933
E.O. - 600K59953
• CUT IN SERIAL NUMBER
U.S. - 8YG060368 and up
E.O. - 110907114-1 and up
Cleaning Blade Squeals During Print Cycle
PROBLEM
Squealing noise from cleaning blade during print cycle.
CAUSE
Excessive heat build up in the printer.
SOLUTION
Make sure both cooling fans are functioning properly. If they are not see the article titled “Cool-
ing Fan Not Running” in this section.
REQUIREMENTS FOR FIELD RESOLUTION
• DOCUMENTATION
N/A
• TAG 11
• PART NUMBERS
U.S. - 600K59933
E.O. - 600K59953
• CUT IN SERIAL NUMBER
U.S. - 8YG060368 and up
E.O. - 110907114-1 and up
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