Sharp MX-CFX1 Manual de servicio descargar pdf (Pagina 26)

MX-CFX1 SELF DIAG MESSAGE AND TROUBLE CODE 10 – 2

Problem The machine does not detect the paper.

Case1 Cause JAM cover open/close switch fault

Check and

remedy

Check continuity between the switch

contacts. Replace the switch if no conduction

is measured.

Case2 Cause Reverse unit open/close sensor fault

Check and

remedy

Measure a voltage of TP9 on the controller

PCB and check that 1 V or less is observed

when the reverse unit is open, and that 5 V is

observed when the reverse unit is closed.

Replace the sensor if the measured voltage

exceeds these ranges.

Case3 Cause Controller PCB fault

Check and

remedy

If the problem is not solved by a change in

the sensor level after the above cases 1 to 3

are confirmed, replace the controller PCB.

Problem

Inserter unset is displayed on the system display.

Case1 Cause Set sensor fault

Check and

remedy

Measure a voltage of TP16 on the controller

PCB and check that 5 V is observed when

the inserter is set, and that 1 V or less is

observed when the inserter is not set.

Replace the sensor if the measured voltage

exceeds these ranges.

Case2 Cause Controller PCB fault

Check and

remedy

If the problem is not solved by a change in

the sensor level after the above case 1 is

confirmed, replace the controller PCB.

Problem

The registration clutch does not perform.

Case1 Cause Loose contact of the clutch connector

terminal

Check and

remedy

Check continuity of the connector contacts.

(CN4)

Case2 Cause Disconnection of the clutch coils

Check and

remedy

Inspect the coils for continuity. Replace the

coils if no continuity is measured.

Case3 Cause Controller PCB fault

Check and

remedy

If the clutch does not perform in the clutch

single operation mode, replace the controller

PCB.

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Sharp MX-CFX1 Manual de servicio Pagina 26

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