Kyocera TASKalfa 420i, Service Manual

Page: 129 / 508

2KR/2KS
1-3-91
U425
Setting: [ADJUST ORIGINAL]
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.
Figure 1-3-30
Maintenance
item No.
Description
30 mm
A
D F
B
C
35 mm
Leading
edge
Left edge
Black
belt (a)
Black
belt (b)
110 mm
185 mm
148.5 mm 267 mm
Original for adjustment (P/N: 302FZ56990)
E
G
[MAIN ADJ] =
((A + C) / 2 + B) / 2
[SUB LEAD ADJ] =
((D + F) / 2 + E) / 2
[SUB TAIL ADJ] = G