What is a maintenance kit?

A maintenance kit is a set of replacement parts for a printer. Each printer has a preset maintenance interval, which occurs after a certain amount of pages are printed. The maintenance interval lets the user know that it’s time to install the maintenance kit so that the parts within the printer do not get overused.

Every printer and manufacturer is different, so the parts included in the kit will also be different. Parts that may be included in a maintenance kit are the fuser assembly, transfer roller, pickup rollers, separation pads, corona assembly, fan assembly, cleaning cloths and gloves.

The fuser assembly is a pair of rollers that fuse the toner into the fibers of the paper. A transfer roller is an electrically-charged roller located underneath the toner cartridge. When the paper passes through the drum, it also passes through the roller which transfers toner onto the page. Pickup rollers, often called feed or separation rollers, are used to pickup the paper from the tray and feed it to the printer. Separation pads are made to assist the pickup rollers by applying tension so that the paper is pushed to the printer. When the separation pad is worn down, it cannot push the paper properly which causes paper jams.

The following parts are not as common in maintenance kits as the parts listed above, and again depend on the printer and manufacturer. A corona assembly in the printer is the part of the printer responsible for the electrical charges. The drum, toner and paper must all be charged in specific ways so that the drum can place the toner onto the paper correctly. The fan assembly within the printer gives off just enough air to keep the paper flat as it enters the printer. Finally, cleaning cloths and gloves are often included within the maintenance kit to ensure proper care of the inside parts.

It is important to pay attention to the maintenance interval in your printer. Ignoring the alerts can potentially cause serious wear to your printer. Maintaining the parts inside your printer avoids permanent damage and the need for replacement.


Monochrome/ BlackColor
Laserjet 1000 Color LaserJet 3000/3600/3800 n/dn/dtn
Laserjet 1150/1300 n/t Color Laserjet 4500/4550 n/dn/hdn
Laserjet 1160/1320 n/t/tn/nw Color Laserjet 4600 n/dn/dtn/hdn
Laserjet 2100 n/tn/m/se/xi Color Laserjet 4610/4650 n/dn/dtn/hdn
Laserjet 2200 d/dt/dtn Color Laserjet 4700/CP4005 n/dn/dtn
Laserjet 2300 n/d/dn/dtn/l Color Laserjet 4730 MFP x/xm/xs
Laserjet 2420/2430 n/dn/tn/dtn Color Laserjet 5500 n/dn/dtn/hdn
Laserjet 4000/4050 n/tn/se Color Laserjet CM2320 MFP n/nf/fxi
Laserjet 4100 n/tn/dtn Color Laserjet CM3530 MFP fs
Laserjet 4100/4101 MFP Color Laserjet CM4540 MFP f/fs/fskm
Laserjet 4200 n/tn/dtn/dtns/dtnsl Color Laserjet CP2025 n/dn/x
Laserjet 4240/4250/4350 n/tn/dtn/dtnsl Color Laserjet CP3505 n/dn/x
Laserjet 4300 n/tn/dtn/dtns/dtnsl Color Laserjet CP3525 n/dn/x
Laserjet 4345/M4345 MFP x/xm/xs Color Laserjet CP4025/CP4525 n/dn/xh
Laserjet 5000 n/dn/gn Color Laserjet 5550 n/dn/dtn/hdn
Laserjet 5100 n/tn/dtn  
Laserjet 5200 n/tn/dtn  
Laserjet 5si mx/nx  
Laserjet 8000 n/dn  
Laserjet 8100/8150 n/dn/hn  
Laserjet 9000/9040/9050 n/dn  
Laserjet 9000/9040/9050/M9040/M9050 MFP  
Laserjet M2727 MFP nf/nfs  
Laserjet M3027/M3035 MFP x/xs  
Laserjet P2015 d/n/dn/x  
Laserjet P2035/P2055 n/dn/x  
Laserjet P3005 d/n/dn/x  
Laserjet P3015 d/n/dn/x  
Laserjet P4014/P4015/P4515 n/dn/tn/x/xm