Brother HL-2700CN Service Manual page 178

1.2.2 Cleaning of OPC Charge Roller PU / OPC Cartridge Roller PU (Brush Roller)
If the vertical streak or black line occurred on the print, the cause may be the
stained OPC charge roller . In this case, carry out the cleaning work according to
the following procedures:
•
Do not expose the OPC belt of OPC charge roller PU for more than 2 minutes
under the light brighter than 800 lux (normal office light).
•
Do not touch the OPC belt surface with bare hands.
<Tools to Prepare>
1) Cotton Cloth (Unwoven): 2 to 3 pieces
<Cleaning Procedure>
1) Remove the OPC charge roller PU.
2) With the cotton cloth, wipe off the stain around the OPC charge roller PU.
3) Release the lock lever interlocking the OPC cartridge roller PU.
4) Remove the OPC cartridge roller PU.
5) Clean the installation part of the OPC cartridge roller PU.
6) Clean the stain around the OPC cartridge roller PU.
•
Do not apply any force onto the brush of the OPC cartridge roller PU.
•
Do not attempt to clean the brush with the solvents.
•
Do not touch the OPC Charger Brush directly with your bare hands.
7) Install the OPC cartridge roller PU.
8) Fix the OPC cartridge roller PU with the lock lever CH.
9) Install the OPC charge roller PU to the printer.
Lock lever CH
CAUTION
OPC cartridge roller PU
OPC charge roller PU
Fig.6-3
CAUTION
OPC cartridge
roller PU
Fig.6-4
VI-7
Cotton cloth
Handle
Lock lever CH
Lock lever CH