SATO TG308, Service Manual

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Section 5: Troubleshooting
TG3 Series Service Manual
Page 5-9
5.2 TROUBLESHOOTING FLOWCHART (Cont’d)
5.2.2 Feed Problem
Category Symptoms
Causes Remedy Maintenance
NO
Feed
Is paper set
OK?
Set the paper
correctly
YES
YES
Printer
does not
feed paper
Replace platen
roller
Refer to 7.9
Replacing Timing
Belt (Platen)
Replace motor
Refer to 7.10
Replacing
Stepper Motor
NO
Is sensor
selection
OK?
Set the PAPER
sensor displayed
on LCD correctly
YES
NO
Is platen
roller
clean?
Clean the
platen roller
YES
NO
Is platen
roller rotation
OK?
YES
NO
Is motor
rotation
OK?
YES
Adjust timing
belt tension
Refer to 6.19
Adjusting Timing
Belt Tension
Replace timing
belt
Refer to 7.8
Replacing Timing
Belt (Ribbon)
NO
Is connector
connection
OK?
Connect
the
connector
Replace Main
PCB (CONT
board)
Refer to 7.11
Replacing Main
(CONT) PCB and
Calendar IC