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v Document image is retained in RAM until another scan command is
received, or the printer is reset.
v Set the dots per inch (DPI) and file compression type prior to scanning.
The printer begins to compress immediately after scanning. There,
changing the compression type after scanning would make the check
process take much longer as it now has to compress twice if the
compression type changes.
v Successful read returns status with status byte 05, bit 06 set, and a
2-byte image width, and a 2-byte image height and 2-byte image width
(in hundredths of an inch) follows the status.
v When using the X'01', X'03', or X'04'option, the MICR data is returned
after the successful scan status, and matches the format in the MICR
command section.
v If the scan is not successful, the Document feed error bit is returned
(status byte 7, bit 7).
v When using the X'03' or X'04'option, the check will only start into the
flipper for personal check (~6 in.). Otherwise, it will function the same as
X'01'. With the check partially in the flipper mechanism, the printer can
print in the portrait station or flip the document. If any other command is
received at this point, the document must come fully out of the flip
mechanism and be re-readied.
v Image Quality detection will be run on the quality of the image scanned
and if the image "fails" the Image Quality test an error bit will be set in
the header information of the retrieved image.
v When only a partial image or no image is required, the X'04' command
will take less time than the X'01' or X'03' options.
TI8/TG8 printer
v X'00' and X'02' options: scans the full document and ejects the document
out the top.
v X'01', X'03', and X'04' options: the bottom 1.5 in. of the document is not
captured in the scanned image.
v X'03' and X'04' options: the document is less than 6.5 in.; it is fed into
the flipper while reading the MICR line.
TI9/TG9 printer
v X'00' option: scans the full document and ejects the document out the
top.
v X'01' option: scans the entire document, reads MICR and re-readies the
document.
v X'02' option: scans the check and re-readies the document.
v X'03' option: scans the entire document and if the document is less than
6.5 in., it is fed into the flipper while reading MICR line.
v X'04' option: scans a partial document (bottom 1.5 in. not scanned) and if
the document is less than 6.5 in., it is fed into the flipper while reading
the MICR line.
Check 21 flow - with the TI9
Assume that the check must be fully filled out and both the front and back
of the check imaged. Assume the printer prints the check face information.
1. Customer gives signs the check and gives it to the cashier.
2. Cashier is prompted to insert the check to be imaged.
3. The check is inserted face down. The MICR is read with '1B, 3E, 04.'
Updated April 2, 2009
Appendix D. EIA-232 programming information 167