Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 735 / 987

COPIER (Service mode for copier) > OPTION (Specification setting mode) > FNC-SW
R-DR-FAN 2 Adj Right Door Unit Fan airflow amount
Detail To set the rotation speed of the Right Door Unit Fan during printing.
When 2 is set, the heat exhaust efficiency is improved so it can alleviate papers to be stuck together
at the time of delivery. However, the machine is more likely to shift to temperature rising prevention
mode.
Use Case When delivered papers stick together frequently
Adj/Set/Operate Method Enter the setting value, and then press OK key.
Caution When 2 is set, the machine is more likely to shift to temperature rising prevention mode.
Display/Adj/Set Range 0 to 2
0: Automatic, 1: Half speed, 2: Full speed
Default Value 0
PWR-FAN 2 Adj Power Supply Cool Fan flow amnt:stby
Detail To adjust the airflow amount of the Power Supply Cooling Fan at standby.
As the value is larger, heat exhaust efficiency is improved, but noise becomes louder.
Use Case
- When the machine is installed in a high temperature environment in which damage of component
parts of the Power Unit or HDD damage is likely to occur
- When HDD damage occurs frequently
Adj/Set/Operate Method
Enter the setting value, and then press OK key.
Caution
Noise becomes louder.
Display/Adj/Set Range
0 to 2
0: Automatic, 1: Half speed, 2: Full speed
Default Value 0
Supplement/Memo The Power Supply Cooling Fan also cools the Controller PCB.
DLVY-FAN 2 Adj Delivery Cooling Fan airflow amount
Detail To set the rotation speed of the Delivery Cooling Fan during printing.
When 2 is set, the heat exhaust efficiency is improved so it can alleviate papers to be stuck together
at the time of delivery. However stacking performance decreases.
Use Case When delivered papers stick together frequently
Adj/Set/Operate Method Enter the setting value, and then press OK key.
Caution When 2 is set, stacking performance at the time of delivery decreases.
Display/Adj/Set Range 0 to 2
0: Automatic, 1: Half speed, 2: Full speed
Default Value 0
CRG-FANR 2 Adj Drum-U Exhst Fan airflow amnt: print
Detail To set the rotation speed of the Drum Unit Exhaust Fan during printing.
When 2 is set, the heat exhaust efficiency is improved so temperature rising can be controlled.
However, noise becomes louder.
Use Case
When the machine shifts to temperature rising prevention mode frequently in case of continuous
output for a long time
Adj/Set/Operate Method
Enter the setting value, and then press OK key.
Caution
Noise becomes louder.
Display/Adj/Set Range 0 to 2
0: Automatic, 1: Half speed, 2: Full speed
Default Value 0
8. Service Mode
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