Brother International HL-2600CN Service Manual - Page 333

I-5 Wrinkle / Image Migration Phenomenon Banding shadows of different optical density appear due to wrinkle, image migration and color misregistration occurring on the print paper as shown in print sample (5) of Fig.8-2. Main Causes 1) Print paper other than the recommended paper is being used. 2) The paper discharger unit of the transfer unit 2 is not functioning. 3) One side of the fusing unit is lifted up slightly. 4) Fusing unit reaches to the end of life. Countermeasures 1) Use a recommended paper. 2) Confirm if the transfer unit 2 is properly installed to the paper discharger unit and functioning normally. 2-1) Confirm the installation status. 2-2) Clean the paper discharger unit, or replace it with a new one. (See Section 1.2.3 and 2.4 of Chapter VI.) 3) Refit the fusing unit correctly and lock it in position or replace the fusing unit with a new one. (See Section 2.2 of Chapter VI.) 4) Replace the fusing unit with a new unit.