PROCESS UNIT hp Color 9850mfp 4.3 Cleaning / replacing, removing and reinstalling the charging wire assembly / the charging grid plate A. Periodically replaced parts/cycle • Charging wire assy: Every 100,000 copies • Charging grid plate: Every 200,000 copies • Charging grid spring: Every 200,000 copies Note: • The charging corona unit is made up of a charging wire assembly, charging grid plate and a charging grid spring. B. Procedure 1. Remove the charging corona unit. (See " 4.2 Cleaning and replacing the charging corona unit. ") III DIS./ASSEMBLY 2. remove the charging grid plate [2]. Remove 2 charging grid springs [1] and then 3.
Clean the charging grid plate by blowing off dust with a blower brush. 4. Reinstall the above parts following the removal steps in reverse. Note: • Be sure to install the charging grid plate so that the side on which the charging grid spring is hooked comes to the front of the [2] charging corona unit. • Be sure to install each of the charging grid springs with its tips [3] of both ends point toward the charging wire. [1] [2] [3] 3-32