Paper Jam Occurs - Epson TM-U220 Series Service Manual

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Printed contents are not normal
Table 3-16 Abnormal Printing Content
Probable part/probable cause
Firmware version
Boot version
DIP switch settings
Resident character
Paper width

Paper jam occurs

Table 3-17 Paper Jams
Probable part/probable cause
Roll paper is inserted
incorrectly
Fixed blade (513)
Paper hold rollers (1015)
3-14 Troubleshooting
Checkpoints
Check the version number. (See page 2-1.)
Make sure it is the same as the version used
by the customer, or the latest version.
Check the version number. (See page 2-1.)
Make sure it is the same as the version used
by the customer, or the latest version.
Check the DIP switch settings printed. Make
sure the following items are same as the DIP
switch settings. (See page 5-7.)
Serial Interface (when serial I/F is installed)
Receive buffer capacity
Receive buffer full release condition
Handshaking operation
Characters per line (CPL)
Autocutter unit
If they are not correct, check the continuity
of the DIP switch.
Check the resident character set. Make sure
it is same as the character set used by the
customer.
Check if this error message is printed:
### ERROR ###
If so, the multilingual font is not correct. Please
download the correct one. Make sure the
message above is not printed.
Check the print item corresponding to the
paper width. Make sure the entire area of
the paper width is printed.
Checkpoints
Check the roll paper. Make sure it meets
specifications and is loaded correctly.
Check for defects. Make sure you see no
defects, such as deformation.
Check operation. Make sure the 2 rollers
rotate smoothly.
Action for the problem
Update the firmware. Completed
if printing is normal.
Update the firmware. Completed
if printing is normal.
Replace the main circuit board
unit (201). Completed if printing is
normal.
Update the firmware. Completed
if printing is normal.
Update the firmware.
Completed if printing is normal.
If printing is not normal, replace
the main circuit board unit (201).
Match the paper width setting to
the paper width. Completed if
printing is normal
Action to correct the problem
Load roll paper that meets
specifications correctly.
Completed if operation is normal.
Replace the fixed blade (513).
Completed if operation is normal.
Replace the paper hold roller(s)
(1015). Completed if operation is
normal.
Rev. B