Brother International HL-3400CN Service Manual - Page 179

CHAPTER 6 PERIODIC MAINTENANCE Periodic Maintenance Cleaning Work Table 6-3 No. Parts Name Cleaning Work Description 1. Remove the transfer drum. 7 Transfer Drum 2. Clean the dirt from the transfer drum surface using a cloth. Page 1.7 Cleaning Cycle *1 (Condition or Case) . Defective image • Periodic maintenance 1. Remove the toner cartridges and the OPC Dustproof belt cartridge. 8 Glass of Laser 2. Remove the dust-proof glass. Unit 3. Using a dry cloth and swab, clean the dirt from the dust-proof glass. 1.8 • Defective image • Periodic maintenance 9 Printer Interior 10 Oil Pad 1. Remove the toner cartridges and OPC belt cartridge. 2. Clean the printer's base, using a toner vacuum cleaner and dry cloth. 1. Remove the oil pan unit 3. 2. Using a slotted screwdriver, clean the white felt surface of the oil pad and the oil blade of the oil pan unit 3. • Defective image 1.9 • Periodic maintenance 1.10 • Periodic maintenance [Note] *1: If a periodic maintenance agreement has been made, checks will be made at every periodic maintenance service to prevent any problems from occurring. A• CAUTION The register roller, paper guide, andpaper exit roller should be cleaned every 20K prints. Failure to do so may cause paperjams inside or outside of the printer. 6-8