Emitter points must remain clean and clear of debris to ensure optimal ionization. This is made difficult by airborne contaminants like paper shavings, residues from off-gassing processes, and dust. Improper or infrequent cleaning will not only lead to reduced ionization efficiency, but also reduce the life of the ionizer. When some emitters are dirty, more current will be driven through emitters that are relatively clean by comparison. Higher currents accelerate degradation of the points. These effects hold true regardless of if the ionizer is a neutralizing bar, charging bar, blower, nozzle, or gun. If a device has ionizing points, they must  be kept clean for the most efficient operation.  

There are special considerations for cleaning emitter points because they are subjected to  several thousand volts of electrical potential. The safest and most reliable way to clean emitter  points without causing future damage to the device is Isopropyl Alcohol (IPA). Using a solution  that is at least 50% IPA with deionized water and scrubbing the emitter points with a stiff bristle  nylon brush will remove dirt and debris without leaving behind any potentially damaging  residues. The IPA allows for the device to be back in service faster because it evaporates  completely in a short time without leaving any residues behind. While the IPA may not break up  debris as effectively as harsher chemicals, a more vigorous scrubbing with a brush will remove  all contaminants from the emitter points. 

 CAUTION – Allow all IPA to thoroughly dry before reinstalling the  device. Applying power to emitter pins that have IPA on or around  them can cause damage to electrical components.

 WARNING – Energizing emitters that have IPA on or around them can  pose a fire or explosion risk.

Any end-users who choose to not use IPA will run the risk of damaging or destroying their  device. Chemical cleaners can leave behind acidic residues that can corrode the emitter points.  The residue can also contain conductive particles that can be concentrated into channels on the  emitters surface. This leads to voltage leakage and reduced ionization. Soaps can also leave  conductive residues and cause similar problems to chemical cleaners. If any cleaner besides  IPA is used to clean emitter points, all residues MUST be rinsed thoroughly with deionized  water. Only deionized water can be used for rinsing emitter pins. Normal water contains salts  that make it conductive. If the ionizers are then put back into service before they are completely  dry, the damp conductive paths will cause current leakage. This could lead to a false alarm or  clean bar condition and require further maintenance and cleaning.  

Proper cleaning of emitter points is critical to the performance and longevity of any ionizing  device. The end user is responsible for the maintenance of their devices. Any damage caused  by the use of non-recommended cleaning agents and/or processes may void the warranty of the  device.