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ITB
Primary transfer pad
Photosensitive
drum
DC bias
● Step 5: Secondary transfer
Transfer the toner image on the ITB to paper.
The DC positive bias is applied to the secondary transfer external roller to charge the paper positively. By this, the negatively
charged toner image on the ITB is transferred to the paper.
ITB
Secondary
transfer external roller
Media
ITB drive roller
DC bias
Static charge eliminator
● Step 6: Separation
Separate the paper from the ITB using paper elasticity and curvature of the ITB drive motor. To stabilize the paper delivery and
image quality, use the static eliminator to decay the potential on the back of the paper after image transfer.
ITB
ITB drive roller
Secondary
transfer external roller
Media
■ Block 4 : Fixing
The toner image is fixed on the paper in this block.
● Step 7: Fixing
This product employs the on-demand fixing method.
By applying pressure and heat on the paper and the toner image on it, the toner is fused to develop the permanent image.
2. Technical Explanation
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Summary of Contents for MF724Cdw
Page 1: ...Revision 2 0 MF720 Series Service Manual ...
Page 12: ...Product Overview 1 Product Lineups 5 Product Features 7 Specifications 8 Name of Parts 14 ...
Page 79: ...4 Click Import Export Import 1 2 2 Technical Explanation 71 ...
Page 103: ...Durable Parts No durable parts is set for this product 3 Periodical Service 95 ...
Page 104: ...Periodical Services No periodical service is set for this product 3 Periodical Service 96 ...
Page 232: ...Adjustment 5 Overview 225 Adjustment at Parts Replacement 226 ...
Page 248: ...Troubleshooting 6 Test Print 241 Trouble shooting items 243 Version Upgrade 244 Debug Log 248 ...
Page 258: ...Error Jam Alarm 7 Outline 251 Error Codes 252 Jam Code 257 ...
Page 267: ...Service Mode 8 Overview 260 COPIER 264 FEEDER 300 FAX 302 TESTMODE 308 ...
Page 322: ...APPENDICES Service Tools 315 General Circuit Diagram 316 Print Sequence 317 Backup Data 318 ...