Kyocera TASKalfa 420i Service Manual page 129

Maintenance
item No.
Setting: [ADJUST ORIGINAL]
U425
1. Measure the distance from the left edge to the black belt (a) of the original at A, B and C.
Measurement procedure
1) Measure the distance from the edge to the black belt (a) of the original at A (35 mm from the leading
edge), B (110 mm from the leading edge) and C (185 mm from the leading edge), respectively.
2) Apply the following formula for the values obtained: ((A + C) / 2 + B) / 2
2. Enter the values solved using the +/- keys in [MAIN ADJ].
3. Press the start key. The value is set.
4. Measure the distance from the leading edge to the black belt (b) of the original at D, E and F.
Measurement procedure
1) Measure the length from the edge to the black belt (b) of the original at D (30 mm from the left edge),
E (148.5 mm from the left edge) and F (267 mm from the left edge), respectively.
2) Apply the following formula for the values obtained: ((D + F) / 2 + E) / 2
5. Enter the values solved using the +/- keys in [SUB LEAD ADJ].
6. Press the start key. The value is set.
7. Measure the length (G) from the leading edge of the black belt (b) to the bottom of the N475 patch of the
original.
8. Enter the measured value using the +/- keys in [SUB TAIL ADJ].
9. Press the start key. The value is set.
10. To return to the screen for selecting an item, press the stop key.
Left edge
Leading
edge
35 mm
A
110 mm
B
185 mm
C
30 mm
D
Black
belt (b)
Black
belt (a)
Original for adjustment (P/N: 302FZ56990)
Description
148.5 mm
E
G
Figure 1-3-30
267 mm
F
[MAIN ADJ] =
((A + C) / 2 + B) / 2
[SUB LEAD ADJ] =
((D + F) / 2 + E) / 2
[SUB TAIL ADJ] = G
2KR/2KS
1-3-91