Troubleshooting
Service Manual for the Accutherm Ultra Printer 8-5
Troubleshooting Steps for RLT’s
Problem Action
Printing
Inc
orrectly
Colored stripe on the
receipt
1. Check the paper level.
2. If paper is low, change the paper. Refer to
“Loading Paper” on page 8-8.
3. Clean the Top-of-Form / Paper Low sensor
with 91%
isopropyl alcohol and cotton swabs.
Print is light or
spotty
1. Make sure the paper is loaded correctly
. Refer
to “Loading Paper” on page 8-8.
2. Ensure the use of the recommended thermal
rece
ipt paper.
3. Clean thermal print head with 91% isopropyl
alcohol
and cotton swabs.
4. Check thermal print head cable connections
.
5‘. Replace the printer mechanism. Refer to
“Remove the Printer Mechanis
m Assembly from
the Base Assembly” on page 7-8.
Missing Print Replace the print head. Refer to “Remove the
Print Head Assembly from the Printer
Mechanism Assembly (Lower Print
Mechanism)” on page 7-11.
Vertical column of
print i
s missing
Replace the print head. Refer to “Remove the
Print Head Assembly from the Printer
Mechanism Assembly (Lower Print
Mechanism)” on page 7-11.
Receipt does not
come
all of the way
out
Open the receipt cover and clear any jammed
paper. Refer to “Clearing a Paper Jam” on page
8-10.
Printer starts to
print,
but stops while
the receipt is being
printed
Open the receipt cover and clear any jammed
paper. Refer to “Clearing a Paper Jam” on page
8-10.
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