Konica Minolta DF-612, Руководство по обслуживанию

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Field Service Ver. 1.0 Jun. 2008 7. Jam display
DF-612/SP-503/MS-501
T
roubleshooting
7.4.2 Paper feed section misfeed
A. Detection timing
B. Action
7.4.3 Transport section misfeed
A. Detection timing
B. Action
Type Description
Detection of misfeed at
paper feed section
• The transport sensor (PS7) is not turned ON by the passage of paper
after a lapse of predefined time after the take-up clutch (CL1) is turned
ON.
Relevant electrical parts
Transport sensor (PS7)
Take-up clutch (CL1) DF control board (DFCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electrical
component)
1 Initial check items — —
2 PS7 I/O check, sensor check DFCB CN6-3 (ON) DF-612 F to G-6
3 CL1 operation check DFCB CN2-1 to 2 DF-612 F to G-1
4 Change DFCB — —
Type Description
Detection of misfeed at
transport section
• The registration sensor (PS8) is not turned ON by the passage of paper
after a lapse of predefined time after the registration clutch (CL2) is
turned ON.
• The exit/turnover sensor (PS9) is not turned ON after a lapse of pre-
defined time after the registration sensor (PS8) is turned ON by the pas-
sage of paper.
Relevant electrical parts
Registration sensor (PS8)
Exit/turnover sensor (PS9)
Registration clutch (CL2) DF control board (DFCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electrical
component)
1 Initial check items — —
2 PS8 I/O check, sensor check DFCB CN5-10 (ON) DF-612 F to G-5
3 PS9 I/O check, sensor check DFCB CN6-4 (ON) DF-612 F to G-5
4 CL2 operation check DFCB CN2-1 to 2 DF-612 F to G-1
5 Change DFCB — —
Y109850-7 Service Manual 45