Canon MF4500 Series Service Manual

22 2-102-10Technical Overview > Document Exposure/Feeder System > Service Works > Notes on service worksTechnical Overview > Document Exposure/Feeder System > Service Works > Notes on service works● Jam DetectionThe following cases are judged as jam.1. In case of delay in reaching DS/DES or stationary during scanning of original2. In case DS/DES is detected as ON at power-on (residual paper jam)3. In case of detecting original of which length is 400 mm or longer• Operation after Detection of JamThe host machine stops scanning operation and displays "CHECK DOCUMENT" on thecontrol panel. No jam code is displayed. In case of the model equipped with fax function (withbuilt-in speaker), the warning beep occurs at the detection of jam.• How to release JamRemove the jammed paper and open / close the SADF/DADF upper coverService Works■ At parts replacementNo work is required for this product at parts replacement.■ MaintenanceNo periodically replaced parts, durable parts or periodical service is set for this product.■ Notes on service worksNone.