I’ve googled to no avail. This Agreement may be executed in counterparts, each of which shall be deemed to be an original, and which together shall constitute one and the same agreement. The remedies herein are not exclusive, but rather are cumulative and in addition to all other remedies available to ON Semiconductor. At a minimum such license agreement shall safeguard ON Semiconductor’s ownership rights to the Software. Stepper motors salvaged from Printer by pm on Mon Mar 22, 9: Except as expressly permitted in this Agreement, Licensee shall not disclose, or allow access to, the Content or Modifications to any third party.

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One is llb1847 by the LB but unfortunately I don’t know which one the other is driven by the 2 Allegro chips A on the MainBoard and the datasheets are nowhere to be found. I guess we salvaged the same printers, I have been playing with the same motors for a couple of weeks, try to get their specs.

All reports, documents, materials and other information collected or prepared during an audit shall be deemed to be the confidential information of Licensee “Licensee Confidential Information”and ON Semiconductor shall protect the confidentiality of all Licensee Confidential Information; provided that, such Licensee Confidential Information shall not be disclosed to any third parties with the sole exception of the independent third party auditor approved by Licensee in writing, and its permitted use shall be restricted to the purposes of the audit rights described in this Section Naturally, matching gearing is already there in the printer, if you need to drive something at a different speed than the motor was designed to work at and don’t need a variable speed control.

Please allow business days for a response. Most used chips of some sort, rather than discrete transistors.

Return to General Project help. Licensee agrees that the delivery of any Software does not constitute a sale and the Software is only licensed. Upon reasonable advance written notice, ON Semiconductor shall have the right no more frequently than once in any 12 month l1b847 during the term of the Agreement, through an independent third party approved by Licensee in writing such approval not to be unreasonably withheldto examine and audit such records and Licensee’s compliance with the terms of Section 2.


Trying to make a perferator slitting unit. DarkestDawning is right, the LB is rated for 42V and from the repair manual from the epson, the power supply is outputting 42V to drive the motors So I guess the motors are rated at 42V as well.

Adafruit customer service forums • View topic – Stepper motors salvaged from Printer

I would think that this number should match number of steps per jotor set for the motor, but it doesn’t. Carriage and paper feed stepping motors in printers and similar applications.

Licensee agrees that it has received a copy of the Content, including Software i. You can also make a guess at the voltage used, even if the printer cannot be powered up to find out directly. Upon the effective date of termination of this Agreement, all licenses granted to Licensee hereunder shall terminate and Licensee shall cease all use, copying, modification and distribution of the Content and shall promptly either destroy or return to ON Semiconductor all copies of the Content in Licensee’s possession or under Licensee’s control.

The results I am seeing for calibration are weird. These are the first steppers I have tried with my Motor shield. Nothing in this Agreement shall be construed as creating a joint venture, agency, partnership, trust or other similar association of any kind between the parties hereto. Stepper motors salvaged from Printer Moderators: I assume when the motor starts slowing down or sounding bad I have crossed the top speed threshold, but that is probably dependent on current and voltage.

This Agreement may not be amended except in writing signed by an authorized representative of each of the parties hereto. Show us what you made! Stepper motors salvaged from Printer by Amberwolf on Lb11847 Nov 04, 7: Log into MyON to proceed. Licensee is and shall be kotor responsible and liable for any Modifications and for any Licensee Products, and for testing the Software, Modifications and Licensee Products, and for testing and implementation of the functionality of the Software and Modifications with the Licensee Products.


It is expressly understood that all Confidential Information transferred hereunder, and all copies, modifications, and motkr thereof, will remain the property of ON Semiconductor, and the Licensee is authorized to use those materials only in accordance with the terms and conditions of this Agreement.

LB1847: PWM Current Control Type Stepper Motor Driver

I left the middle pin empty and connected grounds I think to out side pins and positive to the two controller pins. A special feature of this IC is that VREF voltage is constant while the current can be set in 15 steps, allowing drive of motors ranging from phase exciter types to 4W phase exceiter types.

That will give you some idea of the voltage the motors were used at, if the drivers themselves were a wide-range chip. It’s a bummer specs aren’t easily found for these things. Except as expressly permitted in this Agreement, Licensee shall not use, modify, copy or l1847 the Content or Modifications.

Stepper motors salvaged from Printer by gumpy on Sun Mar 21, 1: Except as expressly permitted in this Agreement, Licensee shall not itself and shall restrict Customers from: Or someone has a good spec-sheet source?