Toshiba e-STUDIO451c User Manual
June 2005 © TOSHIBA TEC
e-STUDIO281c/351c/451c ADJUSTMENT
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3.11.3
Black developer unit lift up/down timing adjustment
Perform this adjustment only when the stop position of the black developer unit lift up/down lever devi-
ates from the reference and a CEB0 error occurs.
The reference position means that the rib of the developer unit cover and the cutout of the black devel-
oper unit lift up/down lever are not overlapped as shown in Figure "A". (The cutout is in the 9 o'clock
position.)
ates from the reference and a CEB0 error occurs.
The reference position means that the rib of the developer unit cover and the cutout of the black devel-
oper unit lift up/down lever are not overlapped as shown in Figure "A". (The cutout is in the 9 o'clock
position.)
Adjustment procedure
(1) Perform 03-460 Black developer unit lifting movement ON/OFF (continuous lifting movement)
and check the stop position of the black developer unit lifting lever. At this time, check the devia-
tion amount between the rib and the cutout of the lever.
tion amount between the rib and the cutout of the lever.
(2) The stop position is "B" (the cutout is lower than the reference position):
Make the value of the adjustment code (05-499) smaller so that the stop position is closer to the
reference. Making the value smaller by 1 turns the lever circumference by approx. 3 mm.
reference. Making the value smaller by 1 turns the lever circumference by approx. 3 mm.
Note:
Note:
If the adjustment cannot be performed though 0 is input, the clutch may have failed. Examine the
clutch.
clutch.
(3) The stop position is "C" (the cutout is upper than the reference position):
Make the value of the adjustment code (05-499) larger so that the stop position is closer to the
reference. Making the value larger by 1 turns the lever circumference by approx. 3 mm.
reference. Making the value larger by 1 turns the lever circumference by approx. 3 mm.
Note:
Note:
If the adjustment cannot be performed though 8 is input, the clutch may have failed. Examine the
clutch.
clutch.
Note:
If an error occurs even though this adjustment is performed, other causes may be considered.
Examine and check the defect according to the methods in troubleshooting.
Examine and check the defect according to the methods in troubleshooting.
A
C
B
Rib
Cutout
Black developer unit
lifting lever
lifting lever
05/07