Kyocera TASKalfa 2551ci Service Manual page 434

(2) Checks and adjusts the assembly frame of LSU unit
.
Procedure
1. Performe maintenance mode U034 (Adjusting the print start timing).
2. Select [LSU OUT TOP] or [LSU OUT LEFT].
*: The screen for executing each item is displayed.
3. Press the system menu key.
4. Press the start key to output a test pattern.
5. Press the system menu key.
6. Measure two length of A and B in the outputted test pattern.
7. When measuring the size of two places A and B,if the difference of sizes is 1.5 mm or less,it is the
completion of adjustment.
If the difference of size is more than 1.5mm ,proceed to step 8.
Screw
8. Loosen two screws.
9. Adjust a scale for reference using an adjustment knob.
*: In the measured value A<B, move the adjustment knob to rightward.
In the measured value B<A, move the adjustment knob to leftward.
10. Fasten two screws.
*: Repeat steps 3 through 10.
A
Screw
Laser scanner unit assembly
Figure 1-5-38
Adjustment Knob
Figure 1-5-39
1-5-21
B
Scale
2NP