MEM TEST FAILURE REPLACE DIMM 0 error HP Color LaserJet CP4025 CP4525
On the HP Color LaserJet CP4025 and CP4525, if you see the error code "MEM TEST FAILURE REPLACE DIMM 0" , and the printer will not boot to Ready, you have a formatter failure. Unfortunately, the formatter assembly is a common failure part on these models.
The formatter assembly is an easy part to remove / replace. We have instructions for installing the formatter below.
How to Replace the Formatter Assembly HP Color LaserJet CP4025 HP Color LaserJet CP4525