Chapter 99-4F-9-12Points to Note When AttachingMake sure to attach the link stopper [2] after attaching the right cover. If at-taching the link stopper while attaching the cartridge cover, it may drop in-side the machine.4) With the cartridge cover [1] opened, detach it upward.F-9-139.3.7 Operation Panel Unit9.3.7.1 Removing the Control Panel Unit 0014-5954i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /1) Remove the 2 screws [1] and the 2 claws [2].F-9-142) Disconnect the connector [1], and remove the control panel unit [2].F-9-159.3.8 SCNT Board9.3.8.1 Preparation for Removing the SCNT Board 0014-5944i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /1) Remove the front cover.2) Remove the right cover.9.3.8.2 Removing the SCNT Board 0014-5945i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /1) Remove the SCNT board [3].- 9 connectors [1]- 4 screws [2]F-9-169.3.9 DCNT Board9.3.9.1 Preparation for Removing the DCNT Board 0014-5976i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /1) Remove the front cover.2) Remove the right cover.3) Remove the left cover.9.3.9.2 Removing the DCNT Board 0014-5977i-SENSYS MF4150 / i-SENSYS MF4140 / i-SENSYS MF4120 /1) Remove the 2 guides [1] in the direction of the arrow.F-9-172) Unhook the claw [1], and remove the cable guide [2] in the direction ofthe arrow.