Epson TM-U950 Technical Manual page 130

CONFIDENTIAL
Table 4-3. Printer Mechanism Problems (continued)
Problem
Line spacing irregular
during use of slip paper,
or printing is all on the
same line.
Line spacing irregular
during use of slip paper,
or printing is all on the
same line.
Rev. A
Probable Level
Slip paper problem A
No paper rolls are A
inserted.
Pressure balance of A
roller-slip paper hold is
not correct.
Roller slip paper feed A
and roller-slip paper hold
are defective or
contaminated.
Wear or damage on J/S A
changeover gear,
paper feed
deceleration gear, or
gear of roller-sub slip
paper feed assembly
J paper feed motor B
drive signal failure
Motor-paper feed-J is B
defective.
TM-U950/U950P Technical Manual
Checkpoint Action
Check whether slip Use slip paper that
paper corresponds to corresponds to
specifications. specifications.
Check whether receipt Insert receipt paper or
paper/journal paper is journal paper.
inserted.
Check the right/left Adjust as described in
balance of the roller-slip the Adjustment Section
paper hold of Chapter 5.
Check surface of roller- Replace or clean roller-
slip paper feed and slip paper feed assembly
roller-slip paper hold for and roller-slip paper hold
wear or foreign matter. assembly.
Check gear wheels for Replace gear wheels as
wear and damage. required.
Check J paper feed Repair drive signal
motor drive signal. circuit.
Above six checks have Replace motor-paper
been passed. feed-J.
Troubleshooting 4-17