Canon MF4500 Series Service Manual

44 4-744-74Disassembly/Assembly > Document Exposure/Feeder System > Removing the CIS Unit Models with DADF/Models with SADFDisassembly/Assembly > Document Exposure/Feeder System > Removing the CIS Unit Models with DADF/Models with SADFBefore Removing the CIS unitModels with DADF/Models with SADF1-1) Remove the left cover. (Duplex models) (Refer to page 4-31)1-2) Remove the left cover. (Single-sided models) (Refer to page 4-32)2-1) Remove the DADF unit and reader unit. (models with DADF) (Refer to page 4-40)2-2) Remove the SADF unit and reader unit. (models with SADF) (Refer to page 4-53)3-1) Remove the DADF unit. (models with DADF)) (Refer to page 4-42)3-2) Remove the SADF unit. (models with SADF) (Refer to page 4-55)4-1) Remove the control panel unit. (models with FAX) (Refer to page 4-79)4-2) Remove the control panel unit. (models without FAX) (Refer to page 4-79)5) Remove the copyboard glass. (models with DADF/models with SADF) (Refer to page 4-66)Removing the CIS UnitModels with DADF/Models with SADFCaution:When assembling/disassembling the CIS unit, take care not to lose the 2 CIS unitspacers [1].When assembling/disassembling the CIS unit, do not touch the copy reading area [A] ofthe CIS unit.[A][1]F-4-1691) Move the CIS unit [1].[1]2) Remove the 2 spacers [1], flat cable [2] and guide [3].3) Remove the CIS unit [4].[3][1][2][4]F-4-170F-4-171