Sharp MX-TMX1 Service Manual page 48

FAULT CODE DESCRIPTIONS
TM-001
Fault Code TM-001, indicates that the Transport motor (TM-M1) does not receive any displacement
pulses.
Initial Actions
Check fuse F2 on Transformer.
Make sure that the Transport belt sensor (TM-Q4) is installed correctly (
Procedure
Enter the Service mode and select Transport motor (TM-M1) in check motors. Does the encoder run properly, Parts catalog
page 13, Item 17?
Y N
1. Check transmission (
2. Replace motor TM-M1.
1. Replace sensor TM-Q4.
2. Disconnect plug B.P14 from PCB "A". Measure between J14-13 and J14-15? (5V and ground). The voltage is
approximately 5 VDC?
Y N
Replace PCB "A".
Disconnect plug from sensor TM-Q4. Check wires for Continuity / Short circuit from the white wire Q4 to B.P14-14. Is there
Continuity and no Short circuit?
Y N
Replace Wire Harness
Connect plug B.P14 to PCB "A". Measure between the red wire Q4 and the black wire Q4 (5V and ground). The voltage is
approximately 5 VDC?
Y N
Replace wire Harness.
Replace PCB "A".
3.2.17).
TR-4-2
20 October 2010
TM 3.2.5).