Dell 2355DN Service Manual - Page 83

Alignment and Troubleshooting A Transfer NO voltage OK? (on the transfer roller shaft) YES Are the connection terminal NO and connection correct? YES Replace HVPS or repair defective component Repair or replace terminal Developing (-450V) and supplying NO (-600V) voltage are OK? YES Is the connection NO terminal OK? YES Replace HVPS or repair defective component Repair or replace terminal Does the counter indicate over NO the toner's guaranty life YES Replace the toner cartridge Transfer roller might be out of its location -> Locate the roller into its place This could occurs when he power of LSU is low or the density is low due to the obstacles on the window -> Replace LSU or clean the window 4-43 Service Manual