HP CF283X Guida rapida
By Mike Josiah and the Technical Staff at Uninet
Remanufacturing the
HP LaserJet Pro M201, MFP M225
series toner cartridge (CF283X)
Technical Guide
In December 2013, HP released the LaserJet Pro M201 series. The M201 laser printers are based on a 26ppm, 600 x 600dpi
(1,200dpi with Fast Res) Canon engine. The CE283X is rated for 2,200 pages.
The printer itself has a very small footprint. It’s a nice small ofce/home machine. The memory is xed and not expandable at
128MB and 256MB for the MFP machines. The recommended monthly volume is from 250 to 2,000 pages/month. The printer,
when new, comes with a starter cartridge that is rated for 1,500 pages at ve percent coverage.
So far there are six printers based on this engine: the Pro M201n, M201dw, M202n, M202dw, MFP M225dn, and the MFP
M225dw. Cartridge troubleshooting will be covered at the end of this article.
Remanufacturing the HP LaserJet Pro M201,
MFP M225 series toner cartridge (CF283X)
By Mike Josiah and the Technical Staff at Uninet
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 2
• Phillips head screwdriver
• Small common screwdriver
• Needle-nose pliers
• Jewellers screwdriver set
REQUIRED TOOLS
• Toner for use in the HP CF283X cartridge
• New drum
• Replacement chip (dedicated)
• Wiper blade
• Doctor blade
• Magnetic roller
• Sealing strip
• Cotton swabs
• Isopropyl alcohol
• Drum padding powder
• Conductive grease
REQUIRED SUPPLIES
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 3
With the pair of needle-nose pliers, release both the
hopper tension springs.
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
Slide the waste/drum section over to the left side.
Separate the two halves.
With the handle facing you, remove the right side
screw and end cap from the cartridge. Be careful of
the drum cover spring! Remove it with the end cap.
STEP ONE
STEP THREE
On the waste/drum section, lift the drum up from the gear
side. Twist and remove from the hopper.
STEP TWO
STEP FOUR
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 4
Remove the PCR and clean with your standard PCR
cleaner.
Remove the two screws and the wiper blade.
Clean out all the waste toner from the hopper.
Be careful not to damage the recovery blade
located next to the wiper blade. If this blade is
bent in any way, the cartridge will leak. Make
sure the wiper blade foam seals are clean.
Coat the new/cleaned wiper blade with your preferred
lubricant. Install the wiper blade and two screws
Install the cleaned PCR. Place a small amount of conductive grease on to
the black holder side of the shaft.
Just a small amount of grease is more than sufcient.
STEP FIVE
STEP SIX
STEP SEVEN
STEP EIGHT
STEP NINE
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 5
On the toner supply chamber right side, remove the two screws and end cap.
Remove the gears from the hopper as shown; leave
the large auger gear in place.
Place the waste/drum section aside.
Place another small amount of conductive grease on to the
metal drum axle.
Install the new/cleaned drum hub side rst.
STEP TEN
STEP ELEVEN
STEP THIRTEEN
STEP FOURTEEN
STEP TWELVE
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 6
Remove the doctor blade and two screws.
Remove the single screw and end from the opposite side.
Remove the magnetic roller assembly.
Be careful of the bushings! They are very fragile.
STEP SEVENTEEN
STEP FIFTEEN
STEP SIXTEEN
Clean out all the remaining toner from the hopper. Make
sure the magnetic roller seals and the doctor blade seals
are all clean.
Fill the hopper with toner for use in the CF283X cartridge.
STEP EIGHTEEN
STEP NINETEEN
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 7
There are two screws holding the doctor blade in place.
The left screw is a normal thread screw; the right side
uses a left hand thread screw. Be careful not to mix them
up
To install a seal, remove the seal port plug, and install
the seal. Bring the tail out through the seal port hole.
Install the plug.
Install the magnetic roller black bushing side rst. Turn the
roller until the keyed end locks in place.
Install the left side end cap and screw. Make sure the
small contact piece is installed correctly on the end cap.
Install the doctor blade and two screws.
STEP TWENTY
STEP TWENTY-THREE
STEP TWENTY-ONE
STEP TWENTY-TWO
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 8
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
Install the gears as shown.
Install the end cap and screws.
Place the drum/waste hopper into the toner hopper.
Slide it over so the round hinge pins t into their
respective holes.
Set the hopper tension springs back in place.
STEP TWENTY-FOUR
STEP TWENTY-FIVE
STEP TWENTY-SIX
STEP TWENTY-SEVEN
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 9
With the drum cover spring as shown on the end cap,
install the end cap. Lift up the tail of the spring to t onto
the hopper.
Lift up the drum cover sprint tail to t as shown
on the drum cover. Install the screw into the
cover.
Replace the chip by slicing off the melted chip rails.
If the chip seems loose upon installation, you can
place small dabs of hot glue on the corners to hold
it in place.
STEP TWENTY-EIGHT
STEP TWENTY-NINE
STEP THIRTY
Repetitive defect chart
OPC drum 75mm
Upper fuser lm 57mm
Lower pressure roller 56mm
Transfer roller 39mm
Magnetic roller 34mm
PCR 27mm
TECHNICAL GUIDE
By Mike Josiah and the Technical Staff at Uninet
©2015 Recycler Publishing & Events Ltd THE RECYCLER -TECHNICAL GUIDE PAGE 10
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