HP Color LaserJet Managed MFP E77822, E77825, E77830, E78323, E78325, E78330 - Engine Install Guide

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6.1

6.2

Open Tray 1 on the right side, and then remove the

foam near the pickup roller.

Carefully remove the strapping tape at the rear of the

transfer unit.

Remove the foam packaging material.

Remove the scanner lock screw and red sticker on the

left side of the printer.

WARNING: The scanner lock screw must be removed

prior to powering on the printer.

Open Tray 2-3 and remove all tape and

foam packaging material.

Remove the toner cartridge packaging. Shake each

toner cartridge side to side ve (5) times to distribute

the toner before installation.

Install the toner cartridges.

Use the color coding on the printer to install the

toner cartridge in the correct slot. Push it in to fully

seat the cartridge.

NOTE: Repeat the previous steps to install the

remaining cartridges.

Push the latches on each side of the TCU and then

remove the TCU.

Install the imaging unit.

CAUTION: Do not open the imaging unit package until it is ready to install. Prolonged exposure

tobright light can damage the imaging drum and cause image quality problems.

On the engine rotate the imaging unit lock down and then remove each orange shipping blank.

Remove the imaging drum units from the foam

packaging and plastic bags. Remove the protective

white cover.

CAUTION: Do not touch the drum surface.