Troubleshooting > 144It will be necessary to remove the four image drums to gain access to the paper path.6. Holding it by its top centre, lift the cyan image drum, complete with its tonercartridge, up and out of the printer.7. Put the cartridge down gently onto a piece of paper to prevent toner from markingyour furniture and to avoid damaging the green drum surface.8. Repeat this removal procedure for each of the remaining image drum units.CAUTION!The green image drum surface at the base of the cartridge is verydelicate and light sensitive. Do not touch it and do not expose it tonormal room light for more than 5 minutes. If the drum unit needsto be out of the MFP for longer than this, please wrap the cartridgeinside a black plastic bag to keep it away from light. Never exposethe drum to direct sunlight or very bright room lighting.