HP Color LaserJet Enterprise CP4020 Service Manual - Page 440
Use manual print modes, ADJUST PAPER TYPES, OPTIMIZE, PRINT, QUALITY
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Use manual print modes Try the following multi-purpose (MP) modes to see if they solve the image-quality problems. These options can be found in the ADJUST PAPER TYPES and OPTIMIZE submenus under the PRINT QUALITY menu on the control panel. Table 3-30 MP modes under the ADJUST PAPER TYPES sub menu PRINT MODE ● AUTOSENSE MODE ● NORMAL MODE ● LIGHT MODE ● LIGHT ROUGH MODE ● HEAVY MODE ● EXTRA HEAVY MODE ● CARDSTOCK MODE ● HEAVYGLOSSY MODE ● X-HVYGLOSSY MODE ● CARD GLOSSY MODE ● ROUGH MODE ● TRANSPARENCY MODE ● 4MM TRNS MODE ● TRANSPARENCY2 MODE ● TOUGH MODE ● LABEL MODE ● ENVELOPE MODE NOTE: Not all print modes are available for all paper types. RESISTANCE MODE Set to UP to resolve print-quality issues caused by poor secondary transfer in low-humidity environments with resistive or rough surface media. HUMIDITY MODE With glossy film, set to HIGH when the product is in a highhumidity environment and print-quality defects occur on HP Tough Paper or Opaque film. With transparencies, set to HIGH when the product is in a highhumidity environment and print-quality defects occur on color transparencies on the first page of a print job. With all other paper types, set to HIGH when the product is in a high-humidity environment and light density occurs on the first page of a print job. PRE-ROTATION MODE Set this feature to ON if horizontal banding occurs on pages. 408 Chapter 3 Solve problems ENWW