Epson TM-H6000II Manuel de l'utilisateur - Page 9
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Be sure that the printer is turned off. Open the roll paper cover and
clean the thermal element (the green part) of the thermal print head
with a cotton swab moistened with an alcohol solvent (ethanol,
methanol, or IPA).
Clean the thermal print head periodically (generally every 3
months) to maintain receipt print quality.
.
MICR Reading/Image Scanning/Printing
(Factory installed options)
With the scanning function, when a check is inserted into the
printer, the check image is digitized and stored, which saves check
processing time and cost. EPSON recommends the following
sequence for single-pass processing. The single pass eliminates the
need to turn the check paper over.
1. MICR reading
2. Pre-scanning
3. Endorsement printing
(printing on back)
Notes on Using the Image Scanner
Be sure to include the pre-scanning step because it can minimize as
much as possible problems of decreasing image data quality caused by
environmental temperature, wear of scanner parts, great variation in
color shading of the background of a check, and input voltage
fluctuation.
The quality of image scanning on the front of a check may be reduced
by a large variation in density of an ink ribbon cassette.
Be sure to consider these other conditions that may reduce image
quality:
•
Extremely low density of handwriting on the front of a check.
•
Extremely high density of the background of a check.
TM-H6000II with Image Scanner User's Manual 9
4. Printing on front
5. VOID printing
6. Scanning
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