DP350 User's Manual
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4. Check if the printer entered into overheating protective state.
Phenomenon 4: The printer makes strange noise while printing.
Solutions: Turn off the printer and check for a paper jam, a ribbon jam, or other problems.
Phenomenon 5: The beeper sounds some times and the ONLINE LED is off.
Solutions:
1. Switch off the printer and power on again.
2. If the ONLINE LED stays off, check for a paper jam or ribbon jam. If it does, turn the printer off and
clear the jam.
3. If an error occurs when you switching between cut sheets and tractor paper, make sure the
paper-select lever is in the correct position.
4. If the printer still does not work correctly, turn off the printer and contact your dealer or a specified
Jolimark service center.
z The print is faint or uneven
Phenomenon 1: Printed characters have parts missing at the top or bottom.
Solutions: The ribbon cartridge may not be installed properly. See chapter 1.5.
Phenomenon 2: The printout is faint.
Solutions: The ribbon may be worn out. Replace the ribbon as described on chapter 1.5.
z The ribbon can not move smoothly.
Solutions: The ribbon may be worn out. Replace the ribbon as described on chapter 1.5.
z Dots are missing in printed characters or graphics
Phenomenon 1: A line of dots is missing in the printout.
Solutions: The print head may be damaged. Stop printing and contact your dealer or a specified
Jolimark service center to have the print head replaced.
Phenomenon 2: Dots are missing in random positions.
Solutions: The ribbon may be damaged. Replace a new one.
z Printed characters are not what you expected
Phenomenon 1: The fonts or characters you sent with your software did not print.
Solutions: Check whether the driver is correctly installed for your printer. For instructions, see chapter
1.9.
Phenomenon 2: The font selected on the control panel can not be printed.
Solutions: Your software may be overriding your control panel setting. Use the font setting in your
software program.
z The print position is not what you expected
Phenomenon 1: The original print position is not correct or the bottom part of one page is
printed at the top of the next page.
Solutions:
1. It is also possible to adjust the top of form position using the micro adjust mode. To use micro adjust
mode, see “Micro-Adjust” on chapter 2.4.5.
2. Check the page length set by your software and adjust it in the software or in the printer to match the
paper length.
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