Troubleshooting Guide
Page 1
... use the following flowcharts discuss changing the Dip switch settings so that they are appropriate for a product to be returned to PC-PoS, please contact PC-PoS before the unit is wrong with doing this then either contact your printer. These flowcharts are not fully conversant with your local dealer or contact the PC-PoS technical support...
... use the following flowcharts discuss changing the Dip switch settings so that they are appropriate for a product to be returned to PC-PoS, please contact PC-PoS before the unit is wrong with doing this then either contact your printer. These flowcharts are not fully conversant with your local dealer or contact the PC-PoS technical support...
Troubleshooting Guide
Page 2
... Flashing? Yes Load roll paper. No Is the ERROR LED lit? Is the paper roll not loaded or near roll end? Yes Go to part 4. (See also at the end of this ). Yes Go to part 6. Yes Terminal sends print data Go to part 4. No No Go to part 2. No OK? Start Power On The Basic Guide. No Go to part 1. Yes Execute the self-test (See part...
... Flashing? Yes Load roll paper. No Is the ERROR LED lit? Is the paper roll not loaded or near roll end? Yes Go to part 4. (See also at the end of this ). Yes Go to part 6. Yes Terminal sends print data Go to part 4. No No Go to part 2. No OK? Start Power On The Basic Guide. No Go to part 1. Yes Execute the self-test (See part...
Troubleshooting Guide
Page 3
... mains plug and check for damage to change the fuse and start the main flow-chart again. Return unit to another device? Power LED does not light. Start Is the power supply cable connected No properly? No OK? I.E has it . Beyond Local Repair. Yes PSU OK? Re-test the Power Supply on another known working printer and test it been tested on another unit...
... mains plug and check for damage to change the fuse and start the main flow-chart again. Return unit to another device? Power LED does not light. Start Is the power supply cable connected No properly? No OK? I.E has it . Beyond Local Repair. Yes PSU OK? Re-test the Power Supply on another known working printer and test it been tested on another unit...
Troubleshooting Guide
Page 4
Start Turn the printer off for 30 seconds and then turn back on again. Yes Close the cover correctly. Return unit to feed the paper properly. Yes No END Is the cover No closed correctly? Beyond Local Repair. The best way to do this is lit. Part 2. OK? Yes END END No OK? Paper Out LED is to open the cover and then closing it again fully making certain to PC-PoS.
Start Turn the printer off for 30 seconds and then turn back on again. Yes Close the cover correctly. Return unit to feed the paper properly. Yes No END Is the cover No closed correctly? Beyond Local Repair. The best way to do this is lit. Part 2. OK? Yes END END No OK? Paper Out LED is to open the cover and then closing it again fully making certain to PC-PoS.
Troubleshooting Guide
Page 5
SLIP LED lit or flashing. Yes No END Is the cover No closed correctly? Beyond Local Repair. Yes Close the cover correctly. Return unit to open the cover and then closing it again fully. The best way to do this is to PC-PoS. Yes END END No OK? OK? Part 3. Start Turn the printer off for 30 seconds and then turn back on again.
SLIP LED lit or flashing. Yes No END Is the cover No closed correctly? Beyond Local Repair. Yes Close the cover correctly. Return unit to open the cover and then closing it again fully. The best way to do this is to PC-PoS. Yes END END No OK? OK? Part 3. Start Turn the printer off for 30 seconds and then turn back on again.
Troubleshooting Guide
Page 6
... print head temperature to remove the connectors, while the power is Lit or Flashing. No Return unit to the printer hooked up connectors correctly. Beyond Local Repair. END Is the paper type selected correctly by switching it off for at least 30 seconds. Yes Reset the printer by No DIP switch? Error LED is off and change the DIP switch settings to the proper setting for the type of paper being used...
... print head temperature to remove the connectors, while the power is Lit or Flashing. No Return unit to the printer hooked up connectors correctly. Beyond Local Repair. END Is the paper type selected correctly by switching it off for at least 30 seconds. Yes Reset the printer by No DIP switch? Error LED is off and change the DIP switch settings to the proper setting for the type of paper being used...
Troubleshooting Guide
Page 7
Start Is paper jammed in the paper inlet Yes path or anywhere in the printer? Return unit to make certain that all debris is removed. Paper is to take out ALL paper rolls from the printer and then clean the inside to PC-PoS. The best way to do this is not Auto-Loading Correctly. END No OK? No Remove the paper jam. Part 5. Yes END Re-load paper when finished and re-test. Beyond Local Repair.
Start Is paper jammed in the paper inlet Yes path or anywhere in the printer? Return unit to make certain that all debris is removed. Paper is to take out ALL paper rolls from the printer and then clean the inside to PC-PoS. The best way to do this is not Auto-Loading Correctly. END No OK? No Remove the paper jam. Part 5. Yes END Re-load paper when finished and re-test. Beyond Local Repair.
Troubleshooting Guide
Page 8
... the information printed will be flashing. Self-test is complete, the following will give the status of print, "Self-test printing, Please press RECEIPT FEED button." To initiate the self-test for the SLIP part of the printer, follow these instructions: 1. Insert a piece of the printer, follow these instructions: 1. When the test print is not normal. Turn off the printer using the power button. 2. The Self-Test. Turn off the printer using the power button. 3. Turn the printer on while keeping the JOURNAL/ SLIP FEED button depressed.
... the information printed will be flashing. Self-test is complete, the following will give the status of print, "Self-test printing, Please press RECEIPT FEED button." To initiate the self-test for the SLIP part of the printer, follow these instructions: 1. Insert a piece of the printer, follow these instructions: 1. When the test print is not normal. Turn off the printer using the power button. 2. The Self-Test. Turn off the printer using the power button. 3. Turn the printer on while keeping the JOURNAL/ SLIP FEED button depressed.
Troubleshooting Guide
Page 9
Beyond Local Repair. No OK? Yes Printing is carried out, but print quality is deficient or paper feeding is not normal. Yes Return unit to PC-PoS. Is the Ink Ribbon installed correctly? Yes END Start Does the printer No operate at all? Close cover properly. No OK? Is the cover No closed properly? Yes END Install print ribbon correctly or change print ribbon for a new one. Self-test is not normal. Beyond Local Repair. Part 6 cont. No Does it have enough ink? Yes Return unit to PC-PoS.
Beyond Local Repair. No OK? Yes Printing is carried out, but print quality is deficient or paper feeding is not normal. Yes Return unit to PC-PoS. Is the Ink Ribbon installed correctly? Yes END Start Does the printer No operate at all? Close cover properly. No OK? Is the cover No closed properly? Yes END Install print ribbon correctly or change print ribbon for a new one. Self-test is not normal. Beyond Local Repair. Part 6 cont. No Does it have enough ink? Yes Return unit to PC-PoS.
Troubleshooting Guide
Page 10
printed? Are RS-232 interface parameters set to OFF. No OK? Part 7A (Serial Version) Data from host to printer. Start Set SW7 of DIP switch bank 1 to identical values at host printer? Send data from host is not printed normally. Beyond Local Repair. Yes END Is "?" Yes END Replace interface cable. Yes No Does interface cable match No specifications? No Return unit to PC-PoS. Yes END No OK? No Make settings identical Yes Replace with a proper cable No OK? Yes Is the interface cable damaged or Yes broken?
printed? Are RS-232 interface parameters set to OFF. No OK? Part 7A (Serial Version) Data from host to printer. Start Set SW7 of DIP switch bank 1 to identical values at host printer? Send data from host is not printed normally. Beyond Local Repair. Yes END Is "?" Yes END Replace interface cable. Yes No Does interface cable match No specifications? No Return unit to PC-PoS. Yes END No OK? No Make settings identical Yes Replace with a proper cable No OK? Yes Is the interface cable damaged or Yes broken?
Troubleshooting Guide
Page 11
Yes Is the interface cable damaged or Yes broken? Beyond Local Repair. No OK? No Return unit to PC-PoS. Yes END Yes END Replace interface cable. Replace with a proper cable No OK? Part 7B (Parallel Version) Data from host is not printed normally. Start Does interface cable match No specifications?
Yes Is the interface cable damaged or Yes broken? Beyond Local Repair. No OK? No Return unit to PC-PoS. Yes END Yes END Replace interface cable. Replace with a proper cable No OK? Part 7B (Parallel Version) Data from host is not printed normally. Start Does interface cable match No specifications?
Troubleshooting Guide
Page 12
... Customer Display Data reception error Handshaking Transmission Speed (BPS) 1200 2400 4800 9600 TM-U950 switch 2 SW-2 1 2 3 4 5 6 7 8 Function Automatic CR Receive buffer capacity Font Selection (Default setting) Carriage Speed (paper roll initial setting) Handshaking Operation (Busy Condition) For Internal Use Only. You may damage the printer. TM-U950 DIP switch 1 SW-1 1 2 3 4 5 6 7 8 Function Word Length Parity check Parity selection Transmission speed selection. See the table below. DIP Switch Settings for the TM-U950 For the Serial interface model. I/F Pin 6 reset...
... Customer Display Data reception error Handshaking Transmission Speed (BPS) 1200 2400 4800 9600 TM-U950 switch 2 SW-2 1 2 3 4 5 6 7 8 Function Automatic CR Receive buffer capacity Font Selection (Default setting) Carriage Speed (paper roll initial setting) Handshaking Operation (Busy Condition) For Internal Use Only. You may damage the printer. TM-U950 DIP switch 1 SW-1 1 2 3 4 5 6 7 8 Function Word Length Parity check Parity selection Transmission speed selection. See the table below. DIP Switch Settings for the TM-U950 For the Serial interface model. I/F Pin 6 reset...
Troubleshooting Guide
Page 13
... TM-U950P DIP switch 2 SW-2 1 2 3 4 5 6 7 8 Function Auto Line Feed Receive Buffer Font Selection (Default) Carriage Speed (paper roll initial setting) Handshaking Operation (Busy Condition) Internal Use Undefined Internal Use ON Always Enabled 32 bytes 9 x 9 Low Speed Receive Buffer Full Fixed Fixed OFF Always Disabled 2048 bytes 7 x 9 High Speed Off-line or Receive buffer Full Note: Do not change the DIP switch settings while the printer power is on. You may damage the printer. DIP Switch Settings for the TM-950 For the Parallel interface model.
... TM-U950P DIP switch 2 SW-2 1 2 3 4 5 6 7 8 Function Auto Line Feed Receive Buffer Font Selection (Default) Carriage Speed (paper roll initial setting) Handshaking Operation (Busy Condition) Internal Use Undefined Internal Use ON Always Enabled 32 bytes 9 x 9 Low Speed Receive Buffer Full Fixed Fixed OFF Always Disabled 2048 bytes 7 x 9 High Speed Off-line or Receive buffer Full Note: Do not change the DIP switch settings while the printer power is on. You may damage the printer. DIP Switch Settings for the TM-950 For the Parallel interface model.
Troubleshooting Guide
Page 14
... due to part... 1) Head High Temperature Print head temperature is too Error. Slip or validation paper is too low. ERROR LED Patterns for the TM-U950 Error Error Description Error LED Blinking Pattern Go to paper jam in carriage or other problem. 5) Slip Paper Ejection Error. 6) Memory or Gate Array Read/ Write Error. 7) High Voltage Error. 8) Low Voltage Error. 9) CPU execution error. Main 2) Auto Cutter Error Auto Cutter does not operate correctly 3) Home Position Detection Error. Power supply voltage...
... due to part... 1) Head High Temperature Print head temperature is too Error. Slip or validation paper is too low. ERROR LED Patterns for the TM-U950 Error Error Description Error LED Blinking Pattern Go to paper jam in carriage or other problem. 5) Slip Paper Ejection Error. 6) Memory or Gate Array Read/ Write Error. 7) High Voltage Error. 8) Low Voltage Error. 9) CPU execution error. Main 2) Auto Cutter Error Auto Cutter does not operate correctly 3) Home Position Detection Error. Power supply voltage...
