Brother International HL-2400C Service Manual - Page 299
Insufficient Gloss
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I-21 Insufficient Gloss Phenomenon Gloss of the print is not sufficient as shown in print sample (21) of Fig.8-2. Main Causes 1) The fuser cleaner is stained. 2) The fuser roller is deteriorated. Countermeasures 1) Replace the fuser cleaner with a new one. (See Section 3.3 of Chapter III.) 2) Replace the fusing unit with a new one. (See Section 2.2 of Chapter VI.) Note: When replacing the fusing unit, wait approximately for 30 minutes after the new unit is installed to allow the fusing oil to circulate in the new fusing unit. I-22 Back Stain Phenomenon Back side of the print paper is stained as shown in print sample (22) of Fig.8-2. Main Causes Fusing unit: 1) The cleaning pad of the fuser cleaner is stained. 2) Silicone oil in the oil bottle is short. 3) The fuser roller and back-up roller are dirty. Countermeasures 1) Replace the fuser cleaner with a new one. (See Section 3.3 of Chapter III.) 2) Clean the fuser roller and back-up roller. 3) Replace the fusing unit with a new one. (See Section 2.2 of Chapter VI.) VIII-54