Question about Ricoh Aficio BP20 Laser Printer

But power is there and it is initialising some 2-3 min.then a red light for error appears.but it is failing to print.

Is it only the 'red' light or is there another one also lit?

If it is on steadily, it should be related to a paper jam, if blinking, then related to Data in, and no paper.

Manual is here to check what the status lights mean (copy this link into your address bar):

http://www.ricoh-usa.com/downloads/downloads.asp?tsn=Ricoh-USA&path=http://support.ricoh.com/bb_v1oi/html/oi/rc2/model/bp20n/bp20nen.htm**** info is on page 6.21**

Posted on Feb 20, 2009

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Posted on Jan 02, 2017

Do you want combinations or permutations? They're different things. A combination of n items taken m at a time, sometimes written "nCm", selects m items from a group of n without regard to order. A permutation of n items taken m at a time, sometimes written "nPm", selects m items from a group of m with regard to order.

Given six numbers, there are six combinations of one number, 15 combinations of two numbers, 20 combinations of three numbers, 15 combinations of four numbers, six combinations of five numbers, and one combination of six numbers.

Given six numbers, there are six permutations of one number, 30 permutations of two numbers, 120 permutations of three numbers, 360 permutations of four numbers, 720 permutations of five numbers, and 720 permutations of six numbers.

Given six numbers, there are six combinations of one number, 15 combinations of two numbers, 20 combinations of three numbers, 15 combinations of four numbers, six combinations of five numbers, and one combination of six numbers.

Given six numbers, there are six permutations of one number, 30 permutations of two numbers, 120 permutations of three numbers, 360 permutations of four numbers, 720 permutations of five numbers, and 720 permutations of six numbers.

Oct 22, 2014 | Office Equipment & Supplies

Journey time 2hrs = 2 x 60 mins = 2 x 60 x 60 seconds

Distance 180 km = 180,000 m

Average speed = 3 x 6 x 10000 / 2 x 6 x 6 x 100 m/s

= 6 x 6 x 100 x 100 / [2 x (2 x 6 x6 x100)] m/s

= 100 / 4 m/s

= 25 m/s

5.May.2014

Distance 180 km = 180,000 m

Average speed = 3 x 6 x 10000 / 2 x 6 x 6 x 100 m/s

= 6 x 6 x 100 x 100 / [2 x (2 x 6 x6 x100)] m/s

= 100 / 4 m/s

= 25 m/s

5.May.2014

May 05, 2014 | Office Equipment & Supplies

Circumference of a Circle: 2 x pi x radius - OR - pi x diameter,

or if you need some sphere calculations?

Sphere Surface Area: 4 X pi X radius squared OR

pi X diameter squared Sphere Volume: 4/3 X pi X radius cubed OR

( pi X diameter cubed ) / 6

By the way.......... "pi" = 3.1415926536

or if you need some sphere calculations?

Sphere Surface Area: 4 X pi X radius squared OR

pi X diameter squared Sphere Volume: 4/3 X pi X radius cubed OR

( pi X diameter cubed ) / 6

By the way.......... "pi" = 3.1415926536

Apr 29, 2014 | Office Equipment & Supplies

0.2666666.....

Feb 27, 2014 | Office Equipment & Supplies

Bot are numbers that are written in two different representations. To compare them safely you must convert them to the same representation.

0.08=8/100 or 8%

Now compare 8 % and 6%

Another way to do it is to convert 6% to its decimal representation then compare it to 0.08

6%=6/100=0.06

Since we have fractions let us just compare them. When comparing fractions, we first convert them to the same denominator (here it is 100). The greater one is the one with the greater numerator: 8 is greater than 6.

**Conclusion: No, 0.08 is not less than 6%**

0.08=8/100 or 8%

Now compare 8 % and 6%

Another way to do it is to convert 6% to its decimal representation then compare it to 0.08

6%=6/100=0.06

Since we have fractions let us just compare them. When comparing fractions, we first convert them to the same denominator (here it is 100). The greater one is the one with the greater numerator: 8 is greater than 6.

Nov 05, 2013 | Office Equipment & Supplies

6 feet

Sep 18, 2013 | Office Equipment & Supplies

Try to unplug for 30 min ,if still having problem go to mfg web site for instructions .

Feb 25, 2013 | Office Equipment & Supplies

How does the bulb look? Is it bright or kind of dim. The bulb warming error is designed to halt use of the machine until the scanner bulb reaches the correct output level. As these are basically a flourescent tube, they will dim over time and at a certain point they will not generate enough light to enable proper scanning. If the bulb is dim, it will require replacement.

Mar 14, 2011 | Office Equipment & Supplies

Using the 1515 as a fax machine is a pretty simple procedure if everything works right. All you have to do is hook a working phone line up to the phone jack on the back of the copier (the one labeled LINE, not TEL).

Why won't the fax work? If it is giving you an error message, what is the message?

If you are not getting a dial tone when faxing, unplug the fax from the phone line and plug a working phone in, and see if the phone gets a dial tone. If it doesn't, there is a problem with your phone line.

You can also try plugging the fax machine into another phone line. If the fax works on that line, then there may be a problem with the first line.

Are you having problems sending faxes or receiving them, or both?

Why won't the fax work? If it is giving you an error message, what is the message?

If you are not getting a dial tone when faxing, unplug the fax from the phone line and plug a working phone in, and see if the phone gets a dial tone. If it doesn't, there is a problem with your phone line.

You can also try plugging the fax machine into another phone line. If the fax works on that line, then there may be a problem with the first line.

Are you having problems sending faxes or receiving them, or both?

Jan 05, 2010 | Office Equipment & Supplies

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