The fusing assembly can generate high repair bills. Damaged units can be replaced at the time of service at a discounted price, saving the cost of a future service call. Check and clean job off-set, switchback, duplex assemblies and auxiliary paper trays These highly complex mechanical units, used to move paper and separate jobs, need periodic cleaning in order to operate properly. Replace and clean machine filters Older laser printers produce ozone and have ozone filters that must be changed annually. Newer machines do not produce large quantities of ozone but require their static filters to be cleaned for proper air circulation.
Older machines use a high-voltage transfer corona mechanism and generate large amounts of ozone.
These machines require periodic replacement of the transfer corona assembly, because the toner attracted to it must be ultrasonically removed and cannot be properly cleaned in the field. Newer machines require periodic cleaning of the transfer roller assembly, using a dry, lint-free cloth. Inspect and clean pickup roller surface Pick-up rollers can become slick and ineffective over time. Using a rubber roller restorer, these rollers are returned to new condition. Unrestorable rollers and pads can be replaced at time of service at a discounted price.