1 - 264Chapter 3 Removal and Replacement Procedures (RRPs)RRP12.25 GUIDE INDICATOR 2 (PL12.3)Removal1) Remove the COVER CST (PL 12.3.1) from the 550 PAPERE CASSETTE (PL 12.3.50).2) Release the lock of the LOCK EXTENSION, and draw out the cassette extension as far as itwill go.3) Release the hooks securing the GEAR PINION (PL 12.3.12) to the HOUSING TOP 550 (PL12.3.16), and remove the GEAR PINION.4) While pressing down the lock of the STOPPER GEAR (PL 12.3.29), release the lock of theLEVER BTM LOCK (PL 12.31.27) to lift up the PLATE ASSY BTM. (Figure 20.24)5) Slide the GUIDE ASSY SD L550 (PL 12.3.11) inward, and remove it from the HOUSING TOP550 by pressing down the hook of the HOUSING TOP 550.6) Slide the GUIDE ASSY SD R550 (PL 12.3.13) inward, and remove it from the HOUSING TOP550 by pressing down the hook of the HOUSING TOP 550.7) Remove the 2 screws (gold tapping, 8mm) from both right and left sides, as well as the 6screws (gold tapping, 8mm) on back, that secure the HOUSING TOP 550 to the HOUSINGBASE 550 (PL 12.3.44).8) Turn the 550 PAPER CASSETTE over, and pull out the HOUSING TOP 550 forward about 20mm to release the claws at the tip of the PLATE ASSY BTM from the hooks of the HOUSINGTOP 550.9) Release the 4 hooks of the HOUSING TOP 550, and remove the HOUSING TOP 550 andHOUSING EXTENSION 550 (PL 12.3.42) from the HOUSING BASE 550.10) Slide the SUPPORT GUIDE IND (PL 12.3.32), and remove it from the groove of the HOUSINGEXTENSION 550. Then, separate the HOUSING TOP 550 and HOUSING EXTENSION 550.11) Remove the GUIDE INDICATOR 1 (PL 12.3.34) from the hooks of the HOUSING TOP 550,and remove the SUPPORT GUIDE IND together with the GUIDE INDICATOR 1 and GUIDEINDICATOR 2 from the HOUSING TOP 550.12) Release the hook of the SUPPORT GUIDE IND, and remove the SUPPORT GUIDE IND fromthe GUIDE INDICATOR 2.13) Extract the GUIDE INDICATOR 2 from the back side of the GUIDE INDICATOR 1.