Question about Monroe 7130 Calculator

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Monroe Calculator 7130 - won't print red for negative

Brand new Monroe 7130 machine, was printing the negative numbers in red, not sure why but now all numbers including negative print in black only. I tried reading through the manual and it mentioned something about the Set up key and entering a numeric code, but nothing we tried worked! Can you help us?

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  • Anonymous Dec 18, 2008

    I have the same exact problem, except I have had this for a year and use it constantly all day every day. It just stopped printing red

  • Anonymous Dec 18, 2008

    Same exact problem



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Turn it off & back on & that should fix it. the ribbon lift needs to reset.

Posted on Apr 22, 2009

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Have you remove the tape that used to fix the ribbon cartridge since the time you get the Monroe 7130? If you do remove the tape, please try to take out the Ribbon Cartridge and install it again, by refer to the description of 'Changing the Ribbon Cartridge' in the Instruction Manual. The printer lift may stuck and need to adjust.

Posted on Jan 27, 2010


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Posted on Jan 02, 2017

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1 Answer

Only prints in red

may have print ribbon installed upside down. what happens if you try printing a negative number? if that number prints in black, try turning ink ribbon over

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While in the D position or PD position, N Count
is OFF. In the N Count N position every
Plus, Minus, Equals Plus, Equals Minus,
Memory Plus or Memory Minus key depression
is counted. The Accumulator and its N Count
or the GT N Count can be printed by
depression of the Subtotal or Total key. When
either Memory Subtotal or Memory Total is
depressed, Memory N Count will print. N Count
is always printed in red, left justified. If the
Equals key is depressed immediately after the
Subtotal Total, Memory Subtotal, or Memory
Total the average of the entries is printed.
When the N Count prints on the 7150, an audit
symbol will print to the left of the N Count.
The audit NA will identify the Accumulator
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Apr 23, 2012 | Monroe 7130 Calculator

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I bet your display is showing the correct ans, however your printer is printing incorrectly. Settings have nothing to do with your ans. You need your printer to be cleaned or have the printer replaced with a rebuilt unit. I can do this... 608-222-2484...

Oct 22, 2009 | Monroe 7130 Calculator

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Monroe 7130 displays an "E" and I won't respond.

Even you turn off then turn on the calculator, the 'E' still there? As I know, when 'E' display, if any key is stuck (press the key and it never pop up), all other entries will be ignore, until u release the key stuck. And, please confirm the printer is not stuck.

Jul 13, 2009 | Monroe 7130 Calculator

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We repaired many Monroe 7130...this could be logic problem..maybe something on the logic bd. ...coke , coffee, etc. etc. staple, paper clip.. but in all probably you may have a printer gone bad.. You can always shake your cal to see if you have dropped anything on the logic bd... but always turn your machine off before you do this...this problem has happened only once or twice..we would try a another printer unit and isolate if it was a logic or printer and go from there...good luck 608-222-2484

Apr 24, 2009 | Monroe 7130 Calculator

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When printing from the network. Alot of jumbled words.

It sounds like either a corrupt print driver installed on your pc or the incorrect one. Make sure you have the correct driver for your machine and download another one anyway in case your one is corrupt. Delete the one you are using first before installing the new one.

Jan 12, 2009 | OKIFAX 5400 Plain Paper LED Fax

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Printing Calculator Double Spacing

Our customer care team is available Monday - Friday, 8AM - 5PM (EST) at (267) 293-6276. Your call is always answered by a live person, never a recording.
I can't find the answer to my question on Is there another way to get the help I need? Yes, you may call our customer service team Monday - Friday, 8AM - 5PM (EST) at (267) 293-6276, or email

Monroe Classic User Manual Page 29

Jan 28, 2018 | Office Equipment & Supplies

1 Answer

Print Problem

Could be 2 things:
Either the 3rd digit of the number wheel is sticking or the solenoid for the 3rd digit is dirty, stuck or bad.
You can take the cover for the paper and see if the wheels are turning. Enter all 8888888888's and keep hitting +, this will make all of the wheels turn. If the 3rd digit isnt moving, then you can try to take a very small drop of light weight machine oil on a small flat tip screwdriver, and place a drop on both sides of the wheel that is sticking.
Enter all 8888888888's again, and keep hitting the + and see if it gets any better or starts to move.
If the wheel doesnt turn at all, then the solenoid might be stuck and it will be a lot harder to reach to service it.

Nov 18, 2006 | Monroe 7130 Calculator

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