Step by Step Detailed Comprehensive Explanation with All CompTIA References: * Analysis of the Problem: * The issue points to outdated or incompatible printer drivers on the older system. * Option Evaluation: * A. Reinstall the printer: Won't resolve driver incompatibility. Incorrect. * B. Adjust the print tray: Unrelated to print quality. Incorrect. * C. Update the printer driver: Ensures compatibility and resolves print errors. Correct. * D. Change the toner: Unreadable text isn't caused by toner. Incorrect. Reference: Domain 3.1 in Core 2 emphasizes troubleshooting printer issues.