Dell 5110cn Color Laser Printer Service Manual - Page 251
Removal and Replacement Procedures RRPs
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Chapter 3 Removal and Replacement Procedures (RRPs) 1. Removal and Replacement Procedures (RRPs) Parts removal and replacement procedures are described in major 9 items which correspond to classification of parts list. ∗RRP 1 COVER ∗RRP 2 PAPER CASSETTE ∗RRP 3 PAPER FEEDER ∗RRP 4 RETARD & REGI ASSY ∗RRP 5 CHUTE ASSY IN & OUT ∗RRP 6 XEROGRAPHICS ∗RRP 7 DEVELOPMENT *RRP 8 DRIVE ∗RRP 9 ELECTRICAL Parts are controlled as spare parts. When servicing for parts for which no procedures are described, observe their assembling condition before starting the service. For optional parts, refer to the manual for them. Though the optional parts are assumed to be removed, they may not be removed if not required for the purpose of service operation. 1.1 Before starting service work Start the work after turning off the power and removing the power cord from the outlet. Disassemble the device after removing INNER DUPLEX ASSEMBLY (PL5.2.1), OUTER DUPLEX ASSEMBLY (PL5.3.1) and IMAGING DRUM (PL6.1.1). When carrying out the work around FUSER, temperature of FUSER and surrounding area should have cooled sufficiently. Pay sufficient attention to the parts during work because they may be broken or may not perform their functions properly if unreasonable force is applied to the parts. Various kinds of screws are used, so be sure to use the screw at the correct positions. Pay attention in distinguishing the screws for plastic and for sheet metal. Incorrect use of the screw type may cause in damaging the screw threads or other troubles. lf or the screw installation locations on the frame where the character "TAP" is stamped, use the screws for plastic. No. Type Application Plastic Screw for 1 plastic Silver, tap Parts etc Plastic Shape Coarse How to distinguish Pointed to be noted. •Silver colored •Screw thread is coarse comparing to the sheet metal type. •Screw tip is thin. As it has a function to cut the thread by itself, if the screw is inserted in an angle and tightened, the screw thread will be damaged. Major installation locations 3 - 1