Konica Minolta AD-504, Руководство по обслуживанию

Страница: 38 / 38

6. Jam Display Field Service Ver. 1.0 Apr. 2005
18
AD-504
T
roubleshooting
6.3 Solution
6.3.1 Initial Check Items
• When a paper misfeed occurs, first perform the following initial checks.
6.3.2 Duplex Reversal Housing Block
A. Detection Timing
B. Action
Check Item Action
Does paper meet product specifications? Replace paper.
Is the paper curled, wavy, or damp?
Replace paper.
Instruct the user on the correct paper stor-
age procedures.
Is a foreign object present along the paper path, or is the
paper path deformed or worn?
Clean or change the paper path.
Are the Paper Separator Fingers dirty, deformed, or
worn? Clean or replace the defective Paper Sepa-
rator Finger.
Are rolls/rollers dirty, deformed, or worn? Clean or replace the defective roll/roller.
Are the Edge Guide and Trailing Edge Stop at the correct
position to accommodate the paper?
Set as necessary.
Are the actuators operational and checked for correct
operation?
Correct or replace the defective actuator.
Type Description
Duplex Reversal
Housing Block • If the Duplex Unit Transfer Sensor does not turn on even when a specified time
elapses after the Exit Sensor turns off.
Relevant Electrical Components
Duplex Unit Transport Motor (M2/AD)
Duplex Unit Transport Sensor (PC2/AD) Control Board (PWB-A/AD)
Step Operations
Ref.
Page
WIRING DIAGRAM
Control signal
Location
(Electrical
Components)
1 Initial checks – – –
2 M2/AD operation check
☞
15 –
F~G-7
(AD-504)
3 PC2/AD sensor check
☞
13 PWB-A/AD PJ4A/AD-5 (ON)
C~D-3~4
(AD-504)
4 Replace PWB-A/AD – – –
bizhub_162_210_FS.book 18 ページ ２００５年４月１８日 月曜日 午前１０時５分