AR-651/810 ADJUSTMENT
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(2) Adjustment of the magnification ratio of the lens
Notes: 1. Perform magnification ratio adjustment of the
lens only when the lens unit has been
removed or is to be replaced.
2. Before making this adjustment, check that
the primary scanning reproduction ratio of
the printer is correct.
Feeding direction
Copied ruler
Actual ruler
a. Place a ruler on the original glass and make a copy on a A4/LT-sized paper at a 100% reproduction
ratio.
b.
Compare the copied ruler with the actual ruler to see the difference in size.
c. Make adjustment following the procedure below, so as to make the distance between each mark on the
rulers match.
Note: After this adjustment is finished, be sure to perform the “deviation adjustment of the scanner primary
scanning start position”.
<Adjustment procedure>
1. Remove the original glass and lens cover.
2. Screw the two pins for the lens magnification adjustment to the long hole at the lens base.
3. Loosen the 2 screws fixing the lens unit.
Adjustment pin
Summary of Contents for AR-810 Imager
Page 4: ......
Page 123: ...4 11 AR 651 810 PREVENTIVEMAINTENANCE Rear side 20 74 75 32 80 63 44 73 75 53 ...
Page 150: ......
Page 259: ...5 109 AR 651 810 TROUBLESHOOTING 2 Background Fogging Feeding direction ...
Page 262: ...AR 651 810 TROUBLESHOOTING 5 112 3 Moire lack of sharpness A B Feeding direction ...
Page 264: ...AR 651 810 TROUBLESHOOTING 5 114 4 Toner offset Approx 188mm Feeding direction ...
Page 267: ...5 117 AR 651 810 TROUBLESHOOTING 6 Poor fusing Feeding direction ...
Page 271: ...5 121 AR 651 810 TROUBLESHOOTING 9 White banding in the feeding direction Feeding direction ...
Page 275: ...5 125 AR 651 810 TROUBLESHOOTING 11 Skew inclined image Feeding direction ...
Page 277: ...5 127 AR 651 810 TROUBLESHOOTING 12 Black banding in the feeding direction Feeding direction ...
Page 283: ...5 133 AR 651 810 TROUBLESHOOTING 15 Poor image transfer Feeding direction ...
Page 285: ...5 135 AR 651 810 TROUBLESHOOTING 16 Uneven image density Feeding direction ...
Page 289: ...5 139 AR 651 810 TROUBLESHOOTING 18 Image dislocation in feeding direction Feeding direction ...
Page 291: ...5 141 AR 651 810 TROUBLESHOOTING 19 Jittering image Feeding direction ...
Page 293: ...5 143 AR 651 810 TROUBLESHOOTING 20 Poor cleaning Feeding direction ...
Page 345: ...8 1 AR 651 810WIREHARNESSCONNECTIONDIAGRAMS 8 WIRE HARNESS CONNECTION DIAGRAMS ...
Page 349: ......