Service Manual
Page 144
... Front Door Unit Terminal PCA on the High Voltage Power Supply PCA high voltage power supply PCA;pickup unit sensor. Print media does not meet specs or is located on the small front door Unit Terminal PCA on the High Voltage PCA (activated by (2) paper sensors. PS401 is in the rear...
... Front Door Unit Terminal PCA on the High Voltage Power Supply PCA high voltage power supply PCA;pickup unit sensor. Print media does not meet specs or is located on the small front door Unit Terminal PCA on the High Voltage PCA (activated by (2) paper sensors. PS401 is in the rear...
Service Manual
Page 159
Print Density is not opening properly. 1. reducing the dot density. Paper does not meet specs. Check the Laser/Scanner shutter door for proper installation installed. The high voltage contacts are dirty or defective. Replace the High ...Check the contacts for functionality. If dirty, clean using alcohol; EconoMode is defective. DC Controller PCA is low. Try a different paper lot (see HP LaserJet Printer Family Paper Specifications Guide). 5. paper. 6. This may not work correctly with the electrophotographic process. Change to the High Voltage Power Supply PCA....
Print Density is not opening properly. 1. reducing the dot density. Paper does not meet specs. Check the Laser/Scanner shutter door for proper installation installed. The high voltage contacts are dirty or defective. Replace the High ...Check the contacts for functionality. If dirty, clean using alcohol; EconoMode is defective. DC Controller PCA is low. Try a different paper lot (see HP LaserJet Printer Family Paper Specifications Guide). 5. paper. 6. This may not work correctly with the electrophotographic process. Change to the High Voltage Power Supply PCA....
Service Manual
Page 161
... If the defect repeats at this interval, the defect is associated with the drum (see note below ). 4. Paper does not meet specs. Troubleshooting 7-25 Inspect the gears driving the toner cartridge and the Fuser. Try a different paper lot (see note below ). Remove ... of the photoconductive drum inside the toner cartridge is a Image Defect Ruler," (Figure 7-3). is associated with the Pressure Roller (see HP LaserJet Printer Family Paper Specifications Guide). Gears are repeated at this is 94 mm (3.7 inches). Replace the Main Drive Assembly if necessary. ...
... If the defect repeats at this interval, the defect is associated with the drum (see note below ). 4. Paper does not meet specs. Troubleshooting 7-25 Inspect the gears driving the toner cartridge and the Fuser. Try a different paper lot (see note below ). Remove ... of the photoconductive drum inside the toner cartridge is a Image Defect Ruler," (Figure 7-3). is associated with the Pressure Roller (see HP LaserJet Printer Family Paper Specifications Guide). Gears are repeated at this is 94 mm (3.7 inches). Replace the Main Drive Assembly if necessary. ...
Service Manual
Page 162
...up in the slider switch. Remove and clean the Fusing Assembly (see HP LaserJet Printer Family Paper Specifications Guide). Replace the toner cartridge. Replace the Transfer Roller. 7-26 Troubleshooting Paper does not meet specs. Toner build-up can physically damage the Fusing Assembly. 3. Paper ...does not meet specs. This causes the drum surface potential to be out of the Print Density Dial in the Fusing Assembly. Try a different paper lot (see HP LaserJet Printer Family Paper Specifications Guide). Replace the DC Controller....
...up in the slider switch. Remove and clean the Fusing Assembly (see HP LaserJet Printer Family Paper Specifications Guide). Replace the toner cartridge. Replace the Transfer Roller. 7-26 Troubleshooting Paper does not meet specs. Toner build-up can physically damage the Fusing Assembly. 3. Paper ...does not meet specs. This causes the drum surface potential to be out of the Print Density Dial in the Fusing Assembly. Try a different paper lot (see HP LaserJet Printer Family Paper Specifications Guide). Replace the DC Controller....
Service Manual
Page 165
Paper does not meet specs. Replace the worn rollers. 7 Troubleshooting Troubleshooting 7-29 Verify that too loose a setting may be too smooth for wear, not being pulled into the printer. Worn ... customer. 2. Note that the paper guide is adjusted for the correct paper size and is Reload proper amount of the Try a different paper lot (see HP LaserJet Printer paper may not pick correctly. The surface of paper squarely in the overloaded, the Pickup Rollers may be delayed in being picked-up consistently...
Paper does not meet specs. Replace the worn rollers. 7 Troubleshooting Troubleshooting 7-29 Verify that too loose a setting may be too smooth for wear, not being pulled into the printer. Worn ... customer. 2. Note that the paper guide is adjusted for the correct paper size and is Reload proper amount of the Try a different paper lot (see HP LaserJet Printer paper may not pick correctly. The surface of paper squarely in the overloaded, the Pickup Rollers may be delayed in being picked-up consistently...