Hp 3525 toner collection unit - HP toner collection unit for laserjet cp3525 ce254a

we recommend you try reseating the transfer belt assembly a couple times, also try reseating the toner and the fuser assembly.

If a service person can do it you should be able to I think. See link below for assistance/support for your device
HP Color LaserJet Professional CP5225 Printer series

Most Mac have built in driver once you connect your printer to Mac it should recognize it and will download appropriate drive for it

To make sure there is a clear understanding here's a complete diagram
Overall Parts Diagram

To Remove the Outside Plastics on the HP Color LaserJet CP5220 Series Printer
1) Remove Right-front cover and control-panel assembly
a) Open the front door and the right door.
b) Remove two screws (callout 1).


c) Release 3 tabs (callout 1) on the right side of the assembly.

d) While holding the assembly up, pull the cable holder (callout1)
disconnect one connector (callout 2).

2) Remove Left cover
a) Remove Tray 2 from the product.
b) Open the front door.
c) Remove three screws (callout 1). Starting from the left side
tabs (callout 2),and then remove the cover from the product.

TIP: Opening the toner-collection door might make it easier to release the tabs on the left side of the cover.
Reinstallation TIP: If the front door will not close after the left cover has been reinstalled, verify that the two tabs on the right side of the cover have been aligned correctly with the product chassis.

3) Remove Rear cover
a) Remove six screws (callout 1), and then remove the cover
from the product.




4) Remove Toner collection unit access door
a) Open the toner collection unit access door (callout 1), remove the toner collection unit, and then release the link arm (callout 2) on the left side of the door.

b) Partially close the door, and then disconnect the right-hand link arm (callout 1) from the door.
CAUTION: Do not disconnect the right-hand link arm when the door is completely open. Doing so can disconnect the link arm spring.
c) Rotate the access door down 90 degrees, and then pull on the left side of the door to remove the access door.

5) Remove Right-rear cover
a) Remove the rear cover. See Rear cover on page 93.
b) Open the right-door assembly.
c) Remove two screws (callout 1), release one tab (callout 2),
and then remove the cover.
CAUTION: The grounding spring on the back of the cover falls off easily. Be careful not to lose it.

6) Remove Top cover
a) Remove four screws (callout 1).

b) Open the toner-collection door.
c) Release two tabs (callout 1), and then remove the cover.



7) To Reassemble Follow Instructions in Reverse

The laser printer actually has a collection area for excess toner located under the toner cartridge. When that is full you will get extra toner coming out and streaking your paper. Take the collection chamber out and clean that out or replace it and you should be good.

canon IR600/ir7200 will be the new models in which this toner can be used.

remove the small lower( rear)right side cover 2screw then you will see the waste bottle youcan pull it out and throw away the waste toner

Remove the toner bottle and look for a black sensor. Clean it. Clean out all the toner in the bottle and try copying on it.

try to calibrate your printer. also try to change your drum unit.

hi im jules_09.its easy just remove the collecting container it must be full with waste toner then just disposse of the waste toner.just open the front door then locate the container its just ther you cant miss it.its a plastic bottle sometimes at the side of the machinre,