HP Color LaserJet Enterprise CM4540 Service Manual - Page 664

Table 3-30 MP modes under the Adjust Paper Types sub menu (continued) Pre-Rotation Mode Set this feature to On if horizontal banding occurs on pages. Fuser Temp Mode If you are seeing a faint image of the page repeated at the bottom of the page or on the following page, first make sure the Paper Type and Print Mode settings are correct for the type of paper you are using. If you continue to see ghost images on your print jobs, set the Fuser Temp feature to one of the Alternate settings . Try the Alternate 1 setting first and see if it solves the problem. If you continue to see the problem, try Alternate 2 and then Alternate 3. Using the Alternate 2 and Alternate 3 settings might cause an extra delay between jobs. Paper Curl Mode Use in high-humidity and high-temperature environments. The Reduced setting decreases fuser temperature and increases the interpage gap. Table 3-31 MP modes under the Optimize submenu Normal Paper Heavy Paper Envelop Control Environment Line Voltage Tray 1 Background Uniformity Control Tracking Control Registration Set toSmooth when printing on smooth paper of normal weight. Set to Smooth when printing on smooth, heavy media types. Set to Reduced Temp if envelopes are sticking due to moisture in the envelop adhesive. Set to Low Temp if the product is operating in a lowtemperature environment and you are having problems with print quality such as blisters in the printed image. Set to Low Voltage if the product is operating in a low-voltage environment and you are having problems with print quality such as blisters in the printed image. Set the mode to Alternate if you are seeing marks on the back side of the paper when printing from Tray 1. This sets the product to initiate a clean sequence every time a job finishes when the product is set for Any Size and Any Type for Tray 1. Set to Alternate 1 when a background occurs all over the page. Set to Alternate 2 when thin vertical lines appear on the page. Set to Alternate 3 when the other alternatives do not correct the problem. Set to Alternate 1 to improve uniformity on any paper type. Set to Alternate 2 to improve uniformity on normal and light paper types. Set to Alternate 3 when the other alternatives do not correct the problem. Improves color stability by adjusting the bias voltage. Make sure this mode is set to On. Set to Alternate when color misregistration occurs. 612 Chapter 3 Solve problems ENWW