Ricoh infotec 3671F Service Manual page 38

DETAILED SECTION DESCRIPTIONS
PRINTING
4. Fusing Unit Service Call Conditions
The machine warns the customer on the LCD panel (SC code 0-02) when
any of the following conditions occur (error code 9-22).
•
When the fusing temperature is below 90° C and does not increase at
least 20° C within 12 to 30 seconds after the lamp turns on.
•
If the fusing temperature does not exceed 157° C within 60 seconds
after the lamp turns on.
•
If the fusing temperature drops below 70° C when the low temperature
(100° C) is selected in the power saver mode.
•
If the fusing temperature drops below 145° C while printing.
•
If the fusing temperature exceeds 200° C for more than 50 ms.
Cross reference
Service Call Conditions: Section 7.3
Power Saver Mode: Section 2.3.1
5. Fusing Unit Fan
The fusing unit fan cools the machine. The fan motor turns on for 2 seconds
when the machine is turned on. It also turns on during printing and turns off 3
seconds after printing.
The MCB detects a fusing unit fan error when the voltage of the motor falls
below 160 mV for more than 2 seconds while turning.
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June 30th, 1996