Dell 3110cn Service Manual page 172

FIP-1.P9 Spots
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Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign
materials on the transfer path, such as staples, paper clips, scraps of paper and so on.
Version 4 2008.01.17
Trouble substance
There are toner spots all over the paper disorderedly.
Possible causative parts
- TRANSFER ASSY (PL4.1.1)
- CARTRIDGE ASSY (PL5.1.18(K)/PL5.1.19(C)/PL5.1.20 (M)/PL5.1.21 (Y))
- FUSER ASSY (PL61.1.10)
If the toner spot at the top or back of the paper, replace the IBT ASSY only.
Chapter 1 Troubleshooting