This Canon iR2020 Service Manual has been issued by
Canon Inc. for qualified persons to learn technical theory, installation,
maintenance, and repair of products. This manual covers all localities where
the products are sold. For this reason, there may be information in this manual
that does not apply to your locality. This manual may contain technical
inaccuracies or typographical errors due to improvements or changes in
products. When changes occur in applicable products or in the contents of this
manual, Canon will release technical information as the need arises. In the
event of major changes in the contents of this manual over a long or short
period, Canon will issue a new edition of this manual.
The parts that should be cleaned
by the customer to maintain the design performance and the cleaning method are
described below. The service engineer should instruct the customer to clean the
machine at regular intervals (once a month). Clean the pressure plates [1] with
a cloth dampened with water or neutral detergent and squeezed hard, and then
wipe it with a dry soft cloth. Clean the document glass [1] and vertical size
plate [2] with a cloth dampened with water or neutral detergent and squeezed
hard, and then wipe them with a dry soft cloth. When an ADF is installed, clean
is document glass (small) [3] and glass holder [4] in the same manner. If white
streaks are seen on the printed paper, the fixing pressure roller can be dirty.
If white streaks are seen on the printed paper, clean the fixing pressure
roller in the user mode. Be sure to clean the fixing pressure roller after
replacing the toner bottle.
Laser light can prove to be
hazardous to the human body. The machine's laser unit is fully enclosed in a
protective housing and external covers so that its light will not escape
outside as long as the machine is used normally. The Center for Devices and
Radiological Health of the US Food and Drum Administration put into force
regulations concerning laser products on August 2, 1976. These regulations
apply to laser products manufactured on and after August 1, 1976, and the sale
of laser products not certified under the regulations is banned within the
Untied States. The label shown here indicates compliance with the CDRH
regulations, and its attachment is required on all laser products that are sold
in the United States.
Canon iR2020 Service Manual tables of content : introduction, installation, main controller, original exposure system, laser exposure, image formation, pickup and feeding system, fixing system, external and controls, maintenance and inspection, standards and adjustments, correcting faulty images, self diagnosis, service mode, upgrading.
Download Canon iR2020 Service Manual here
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