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I have tried everything with this Epson Thermal TM-T88III Receipt printer. I have the right driver right from Epson. The printer has a RS-232 (Female DB25) so we have purchased a DB25 male-to-male cable to connect it to the Parallel port on the PC.
We just can't it to print. We actually have two of the same, with two cables, and we can't them to work. I have tried printing from Notepad or the Windows Test Print, but nothing. Prints sent to the printer, stay in the spool for a second and then are deleted. I even tried to change the port to other LPTs and even serial COM ports without any luck.
http://pos.epson.com/products/tm-t88iii.htm
http://pos.epson.com/pos/pdf/t88iii_ds.pdf
Does this actually connect to a PC ? also NT based O/S do not allow direct port access, therefore would need specific W2K/XP driver/software package
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If it has an RS232 cable, it should be connected to a serial port. It will not work on a parallel port.
If you don't have a serial port with a DB25 connector, you can get a db9 to db25 adapter.
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OOps, ignore response #3. Evidently it is a parallel port printer.
You shouldn't need a male to male adapter. The parallel port connector should have female pins. Maybe you are plugging it into a serial port connector.
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Jeez, I'll try again. A parallel printer should use a cable with male connectors on the end of the cable. Why your cable has female connectors is kinda confusing. Wrong cable maybe?
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I think Plainandsimple asked a very astute question in response #1. Is this printer designed to connect to a PC?
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Most POS printers will connect to a PC. Please read your manual. You may need to set comfiguration switches inside as all interfaces may not be active at the same time. Connection is probably parallel, many POS printers use modified RJ-45 (Ethernet) connectors for serial.
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Let's take it from the top.
Yes, this connects to a PC.
It has a Parallel port on the back (a female RS-232) so it need's a male-to-male cable to connect to the parallel female on my PC. There is also a serial RJ45, but that is for cash register and not related to the printers first function: printing.
We bought two on eBay. One is a working pull, and came with such a cable. For the other one we have bought a cable. The printers themselves are 100% working, printing the direct diagnostic test prints perfectly.
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Unless my view of the manual is wrong. The DB25F port on the printer is SERIAL.
Please check your manual for the baud and handshake settings. The printer can also be configured for alternative interfaces and languages. So carefull check the model number and any addition to it or to the serial number.
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"Yes, this connects to a PC"
It does not state that in the Links I gave!
Because it uses standard cables/connectors does not neccessary mean it will connect.
Connections many available:
http://pos.epson.com/pos/pdf/std_connectit_chart.pdf
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You obviously don't have the manuals and software supplied for the printer. There is a utility to setup the interface and paper parameter. You will have to sign up as an epson expert to get access to their website.
Some serial parameters are set by a dip switch under a cover on the bottom. The serial interface uses two different crossover serial cables depending upon whether you are using hardware or software handshaking. Diagrams are in the Technical Reference manual.
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Well, I know you guys are trying to help... but always assuming that the other person doesn't know s--- is not right.
It's a printer, and it connects to a PC. What's so hard about that???
I have the drivers from Epson Expert. And this is Parallel printer because it's setup that way at a another retail location, the only thing that that being a slightly older model (TM-T88II) so it uses the older drivers, not the advance ones from EpsonExpert.
Oh, and I have the manuals.
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Read the user info guide (http://www.epsonexpert.com/Epson_Assets/TMT88III_PIG_RevA.pdf) It clearly states that both Parallel and Serial are standard.
Apparently both use the same RS-232 female connector on the back, and from the same document I don't see any mention of changing DIP switches to enable or disable an interface.
I'll call Epson on monday...
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The product information guide said the interfaces are standard, but that no way implies that they are both included in the same printer. The technical reference manual specifies a 36-pin connector for the parallel model while the illustrations only show the serial connector. I have a Citizen POS printer with a 36-pin connector parallel interface (the same model is available with a serial interface with the same base model number) while all other POS systems I've worked on have had serial interfaces. The Epson T88II is available in parallel interface with a T88IIP model number.
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Hey have you tried printing the test page to see if it is the printer
to do this
turn the printer off then put your finger on the feed button and hold it there while you turn it back on you do not need to have it hooked up to do this
if this don't work their may be a dip switch setting behind where the cables hook up you may have to mess around withyou may be able to get a ncr tech to get it going if you need to bad enough
by going thru the proper channels
it won't be cheap if you do not have a service contract with themncr uses these printers at a number of different resurants applebees,ruby tuesdays
and othersncr normaly swaps these out as a general rule
we do not commonly fix them but we do troubleshoot them to find out the why'sfor this type of printer you need a power pack make sure that the green light is on when plugged in
an interface such a serial parallel or rs485
(powered serial port power pak not needed for this) and if it is powered serial then the port that it plugs into may be badthe therm printhead can go bad or may need to be cleaned with some alcohol (denatured)
the paper has to be ncr receipt paper
(Thermal on one side)if you have any other specific questions i will be glad to try to help
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also you may need to have some specific pos software to interface this with your pc
are you using it for sales
pos= point of sale
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Okay, I got this printer and finally got it to print. I called www.posguys.com, they have this same printer and the cable for sale. In the back of my tm88III parallel connection, it label rs-232. I was advise that it needed a parallel(25pin) cable, "null modem", to a serial(9pin) to PC. Once I hook it up and property my printer to use COM1. It work! But I don't know why it print so slow, I use the TM88-II driver, maybe that's why.
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the driver can have alot to do with it
look for the proper driver first
but the slowness can also have to do with the communication btwn prtr and pos register
or network if on one
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 Sporadic Reboot of the PC
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computer not booting up
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