How to I edit a stored number? I need to delete a number

get stuffed

Touch the contact you want to edit for 2 or 3 seconds and it will show more options and you can find the edit option. You can edit the details there or if you wish to delete the contact, you can do that as well.

As you said me you want to delete some contact from you are phone memory means you can do this if you follow this things.Go to menu select contacts then scroll over to delete option and select that option after selecting that you will get two option telling delete all, one by one.If you select all contact will be deleted if you select one by one means you can delete one by one.If you want to edit the number means you can select menu and then contacts there you will get search select it and type the name after getting the contact select option then scroll over to edit number there you can edit.Thanks for you are question happy to help.

Go to Phone book on your phone. It will display the Names List/Phone numbers you have saved.
Click on the number you want to edit/delete. Once the name/number is displayed, click on options and then Edit/Delete the Name/Number.

Speed Dial Keys
The fax number and other data for a particular destination can be programmed using a 3-
digit Speed Dial Number. This feature allows you to transmit a document to the
particular destination by pressing the Speed Dial Key, entering the 3-digit number and
pressing the START Key. You can program a fax number in any of the 100 Speed Dial
locations, number 001 to 100.
Entering
1 Press the PROGRAM Key and scroll through the
menus until you reach the DIAL REGISTRATION
Menu. Press YES to begin programming.
2 Press 2 or scroll down to the Speed Dial menu and
press YES.
3 Enter the number of the location you want to
program and press YES.
4 Enter the Telephone number you wish to transmit
to and press YES after checking to see its OK. If
you want to enter the sub-address, press the Down
Arrow Key.
5 You can press sub-address up to 10-digit.
REGISTERED! KEEP?
OK=YES (EDIT/DEL=NO)
EDIT *DELETE
-SELECT&PUSH”YES”-
DIAL REGISTRATION?
YES / or 1-6
2 SPEED DIAL?
OK=YES
SPEED DIAL =_
OK=YES
OK=YES (SUB= )
SUB=_
OK=YES

Edit/Deleting
1 If you wish to change any entry, a screen allows you to accept or change.
2 If you wish to change a Key that was previously
programmed, this message appears. Press YES to
keep this location as is, or NO if you wish to edit it.
3 If you choose NO, use the arrow keys to select
either EDIT or DELETE and then proceed with the
needed changes.
Group Dial Keys
Instead of their regular functions, any of the One-Touch Keys can be used as Group Dial
Keys. Destinations already stored for One-Touch, Speed Dial can be entered in a Group
Dial Key. Each Group can contain up to 50 locations.
Entering
1 Press the PROGRAM Key and scroll through the
menus until you reach the DIAL REGISTRATION
Menu. Press YES to begin programming.
2 Press 3 or scroll down to the Group Dial menu and
press YES.
3 Press the One-Touch Key you wish to use.
4 Press YES to accept your selection.
NAME=_
OK=YES
REGISTERED! KEEP?
OK=YES (EDIT/DEL=NO)
EDIT *DELETE
-SELECT&PUSH”YES”-

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

From Ricoh Aficio MP2550 manual:

Delete destinations registered in the LAN-Fax Address Book:
On the [Start] menu, point to [All Programs], [LAN-Fax Utilities], and then click [Address Book].
The [Address Book] dialog box appears.
If LAN-Fax Driver has already started up, click [Edit Address Book...].
Click [New/Browse...], and then select the CSV file containing the address list to be edited.
Select the destination you want to delete so it is highlighted in the list.
Click [Delete].
Click [Yes].
Click [Close].
If you made changes to a destination, a confirmation message appears. To save the changes, click [Yes].
If you do not want to save the changes and want to quit editing, click [No].
To return to the editing display, click [Cancel].
The confirmation dialog box does not appear when you have not made any changes after starting Address Book.

You can download the manual (HTML or PDF/ZIP versions) from here:
http://support.ricoh.com/bb_v1oi/html/oi/rc2/model/mp33/mp33en.htm

goto phone book hit menu find the number and or persons name you want to edit edit the number hit ok to get to the number or you can do the easier way
delete there name and number and put it back in with the right digits

all you need to do is push and hold the speed number button that you what to chang till it starts blinking in the display. i think the name comes up 1st. press enter if that's o.k. ore use the courser to delete. if you have pressed enter then the number show-es up press the arrow key back to erase @ enter the correct numbers. hit enter key. if you git in to something you don't know press the stop key 2 times will git you back to main screen

For Editing Data: Retrieve the file to edited; touch [Shift], then either [< delete] or [> insert] to move the blinking cursor to the character or number to be edited.  Touch [Shift] [< delete] for deleting or [Shift]  [> insert] for inserting a character, digit, or symbol.
For Deleting Data: 1) Find the Data to be deleted. 2) Touch [Shift][CE/C] ([CE/C] only depending on model) key. *DELETE?* is displayed. 3) Touch [Go]. *DELETE!* is displayed for 3 seconds then the data is deleted.
Note: If [CE/C] has been touched in error, simply touch any other key except the [GO] key to avoid deletion.

Enter the phone menu and the name/number you want to delete.
press the edit button and then press and hold the clear button till the stored number and name are erased