Checking The Copyboard Cover, Copyboard Glass, And Standard White Plate; Checking The Charging Assemblies; Checking The Developing Assembly; Checking The Paper - Canon iR105 Service Manual

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CHAPTER 6 TROUBLESHOOTING

3.1.3 Checking the Copyboard Cover, Copyboard Glass, and Standard

Check the copyboard cover, copyboard glass, and standard white plate for dirt or

scratches. If dirt is found, clean it with a solution of mild detergent or alcohol; if a scratch is

found, on the other hand, replace it.

a. Check the charging assemblies for dirt and a faulty charging wire.

b. Clean the charging wire and the shielding plate of the charging assemblies. (If dirt can-

not be removed, replace it.)

c. Check the type and height of the charging wire.

d. Check to make sure that the changing assemblies are firmly fitted.

e. Check the charging wire spring for rusting.

f. Check the charging wire cleaning pad (of each charging assembly) for displacement.

a. Check to make sure that the rolls on both ends of the developing assembly are in contact

with the drum.

b. Check to make user that the surface of the developing cylinder is coated with an even

layer of toner.

c. Check the connectors between the developing assembly and the machine for connection.

d. Check to make sure that the slide switch (SW101) of the HV-DC PCB is in UP position.

e. Check to make sure that the 4th page <DEV-SLO> of the following in service mode in

'2': COPIER>OPTION>BODY.

a. Check to see if the paper is a type recommended by Canon.

b. Check to see if the paper is moist. Try paper fresh out of package.

Check with the Periodical Servicing Chart and the Periodically Replaced Parts Table, and

replace those parts that have reached the end of their lives.

2000 2000 2000 2000

CANON iR105 REV.0 JULY 2001

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