Brother International HL-2600CN Service Manual - Page 338
print sample 13 of Fig.8-2, of VII, White Band
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I-13 White Band Phenomenon White banding line appears in the horizontal direction, and consequently causes a missing image as shown in print sample (13) of Fig.8-2. Main Causes 1) Installation failure of the transfer unit 2, and deformation of the transfer roller 2. 2) Contact failure of the transfer roller 2 bias pole. 3) Transfer solenoid failure. Countermeasures 1) Confirm if the transfer unit 2 is properly locked in position and that both ends of the transfer unit 2 are held by the hooks. 2) Confirm if the transfer unit 2 is properly installed or not. 3) Replace the TR cam clutch 3 with a new one. (See Section 4.2.6 of Chapter VII.) 4) Replace the transfer unit 2 with a new one. (See Section 4.6.1 of Chapter VII.)
I-13
White Band
Phenomenon
White banding line appears in the horizontal direction, and consequently causes a
missing image as shown in
print sample (13) of Fig.8-2
.
Main Causes
1) Installation failure of the transfer unit 2, and deformation of the transfer roller 2.
2) Contact failure of the transfer roller 2 bias pole.
3) Transfer solenoid failure.
Countermeasures
1) Confirm if the transfer unit 2 is properly locked in position and that both ends of the
transfer unit 2 are held by the hooks.
2) Confirm if the transfer unit 2 is properly installed or not.
3) Replace the TR cam clutch 3 with a new one. (See
Section 4.2.6 of Chapter VII
.)
4) Replace the transfer unit 2 with a new one. (See
Section 4.6.1 of Chapter VII
.)