HP LaserJet 5000 Service Manual - Page 284

Table 7-19. Faded Print/Bubbles (continued) Possible Cause Action High Voltage Power Supply PCA is defective. Replace the High Voltage Power Supply PCA. DC Controller PCA is Replace the DC Controller PCA. defective. The DC Controller supplies the proper voltage to the High Voltage Power Supply PCA. Table 7-20. Gray Background Possible Cause Action Paper does not meet printer specifications or is stored improperly. 1. Print a few more pages to see if the problem corrects itself. 2. Turn over the stack of paper in the tray. Also try rotating the paper 180°. 3. Check the paper (or other print media) type and quality. Replace the paper, and advise the customer to use the recommended paper and store it properly. Inside of printer is Clean inside of printer (see Chapter 4). Install a new dirty (toner may have Toner Cartridge if leaking. leaked out of the toner cartridge). Printer's operating Make sure the printer's operating environment meets environment does not specifications. meet specifications. Printing on envelope Move the text to an area without seams. If not seams. Printing on an printing on seams, try a higher print density setting. envelope seam can cause a background scatter problem. EN Troubleshooting the Printing System 7-63