Samsung SCX4521F Service Manual - Page 124
Scanning Problems . Causes and Solutions, PC Scanning problems, Poor Quality of PC Scanned images
UPC - 635753616040
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Troubleshooting 6.8 Scanning Problems - Causes and Solutions 6.8.1 PC Scanning problems • Description Unable to scan using a PC. Check and Cause 1. Check the Cable (USB or Parallel) is properly connected and that the printer can print correctly. 2. Check that the driver is installed properly. 3. Check that the copy function operates normally. Solution 1. Reconnect the PC and printer, replace any faulty cables. If using a parallel cable, check that the parallel port is properly configured in the BIOS. 2. If printing is OK check that the Scan driver is also installed (Refer to User's Manual.) 3. If the copy function works, replace the Main PBA. If the copy function doesn't work, replace the CIS Ass'y and try again. 6.8.2 Poor Quality of PC Scanned images • Description The image PC scanned is not clear or bad. Check and Cause 1. Use TECH mode to carry out a shading test and examine the waveform printout. 2. Check if the resolution is set too low in PC Scan options. (Refer to User's Manual.) Solution 1. If the CIS waveform form is abnormal replace the CIS Ass'y. 2. Teach the user about scanner resolution - refer to the User Guide. Samsung Electronics Service Manual 6-29