Chapter 22-7F-2-143) Loosen the mounting screw [1], and remove thescrew [2] from the positioning hole, and fit it andtemporarily tighten it in the adjusting angular hole [3].- if A > 1 mm, move the volume unit [6] to thefront.- if B > 1 mm, move the volume unit [6] to the rear.F-2-154) Move the original width volume unit [4] to the frontor the rear to make adjustments.5) Tighten the screw [1] that has been tentativelytightened and the screw [3] that has been fitted in theadjusting angular hole.6) When done, mount back the cover.7) Make a copy of the Test Chart once again, and seethat the image is as indicated.2.1.11 Leading EdgeRegistration 0003-23621) Obtain the Text Chart.If the Text Chart is not available, make one using A4or LTR paper as follows:F-2-162) Place the Text Chart in the original tray, and makea copy of it at a 100% reproduction ratio.3) Check to see that dimension A of the Test Chart andthe image obtained in step 2) are as indicated:A = 1 mmB = 1 mmIf not, go to step 4).F-2-174) Start service mode as follows: press the User Modekey, press the 2 and 8 keys at the same time, and pressthe User Mode key once again.[1][2][1] [2] [3][4]Right angle10mm 10mm10mm 10mmAB