What is a transcriber? - Office Equipment & Supplies

https://www.manualslib.com/manual/353242/Sony-Bm147-Cassette-Transcriber.html

Probably has a bad sensor belt (small belt attached to silver and black reflective wheel).

You no longer need to demagnetize heads they aren't the same inductive materials they used to be. To clean you just need alcohol and a cotton swab. Clean head and capstan roller and capstan.

You may order a manual here.

You can order a manual here.

I don't know of a transcriber that can use CDs, but, the CD sound can be recorded on cassettes and then used in a transcriber.

I've never encountered that problem, but the manual says: Make sure remote Transcribe indicator is extinguished. Move the Transcribe switch to Local position. Locate letter to erase with either [Prev. Ltr] or [Next Ltr]. Simultaneously press [Currnet Ltr] and [Erase] buttons to erase letter appearing in Item Status display. A tone plays and Erase LED lights briefly. Letter is automatically deleted.
To erase all Transcribed Letters: Make sure "In Use" Transcribe indicator is extinguished. Move Transcribe switch to Local position. Simultaneously press the [Finished Ltrs] and [Erase] buttons. Tone plays and Erase LED lights briefly. Good luck!

Do you know how to determine the total minutes on the machine? I have 2 that I want to sell, one of which is on eBay. Thanks.

instructions on how to transcribe materials from an audio tape, and Instrunctions on how to transcribe notes from an electronic whightboard printout, and Instructions on how overhead transparencies can be produced using the computer and photocopier.

The erase switch has probably failed and needs to be replaced.

If the foot pedal is pluged in, press the play button and then you should be able to activate it with the pedal.