On Fri, 7 Feb 2003, Evgeniy Polyakov wrote: | Hello. | | Description: | echo "test" > /dev/usb/lp0 does not produce USB connecte printer to | print. It simply blinks 1 time and stops. | | After compiling printer.o(2.4.20) with #deine DEBUG, pinter logs 1 | string and continue to keep silence: | | ./printer.c: usblp_control_msg: rq: 0x01 dir: 1 recip: 1 value: 0 | len:0x1 result: 1 | | On insmod printer, "printer" says: | | usb.c: registered new driver usblp | ./printer.c: usblp0 set protocol 2 | ./printer.c: usblp_control_msg: rq: 0x00 dir: 1 recip: 1 value: 0 len: | 0x3ff result: 78 | ./printer.c: usblp0 Device ID | string[len=78]="MFG:Samsung;CMD:GDI;MDL:ML-1210;CLS:PRINTER;MODE:GDI;ST | ATUS:I DLE;CODE:40000;" | ./printer.c: usblp_control_msg: rq: 0x01 dir: 1 recip: 1 value: 0 | len:0x1 result: 1 ./printer.c: usblp0: USB Bidirectional printer dev 3 | if 0 alt 0 proto 2 vid 0x04E8 pid 0x300C | ./printer.c: v0.11: USB Printer Device Class driver | | | /proc/usb/devices: | T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 | B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0 | D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 | P: Vendor=0000 ProdID=0000 Rev= 0.00 | S: Product=USB UHCI-alt Root Hub | S: SerialNumber=9000 | C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA | I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub | E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms | T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 | B: Alloc=118/900 us (13%), #Int= 1, #Iso= 0 | D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 | P: Vendor=0000 ProdID=0000 Rev= 0.00 | S: Product=USB UHCI-alt Root Hub | S: SerialNumber=9400 | C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA | I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub | E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms | T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0 | D: Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 | P: Vendor=046d ProdID=c030 Rev= 1.01 | S: Manufacturer=Logitech Inc. | S: Product=iFeel Mouse | C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA | I: If#= 0 Alt= 0 #EPs= 2 Cls=03(HID ) Sub=01 Prot=02 Driver=hid | E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=10ms | E: Ad=01(O) Atr=03(Int.) MxPS= 8 Ivl=10ms | T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 0 | D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=16 #Cfgs= 1 | P: Vendor=04e8 ProdID=300c Rev= 1.00 | S: Manufacturer=Samsung Electronics Co., Ltd. | S: Product=Samsung Laser Printer ML-1200 Series | C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 0mA | I: If#= 0 Alt= 0 #EPs= 2 Cls=07(print) Sub=01 Prot=02 Driver=usblp | E: Ad=03(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms | E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms | | /proc/usb/drivers: | usbdevfs | hub | hid | 0- 15: usblp
All of this looks fine to me. What printer filter are you using? http://www.linuxprinting.org/show_printer.cgi?recnum=Samsung-ML-1210 recommends the 'gdi' driver/filter. Some printers won't print text just by echoing text to them. They require more commands. This could be one of those. -- ~Randy ------------------------------------------------------- This SF.NET email is sponsored by: SourceForge Enterprise Edition + IBM + LinuxWorld = Something 2 See! http://www.vasoftware.com _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
