DMP 250 (260-2886) Troubleshooting Faxback Doc. # 4220 ┌───────────────────────────┬────────────────────────────────────────────┐ │ PROBLEM │ CAUSE/REMEDY │ ├───────────────────────────┼────────────────────────────────────────────┤ │ Trouble with power │ POWER switch is on but POWER light is off: │ │ │ │ │ │ ° Check to see if the AC power cord is │ │ │ plugged in securely. │ ├───────────────────────────┼────────────────────────────────────────────┤ │ Trouble with paper feed │ Fanfold paper jams: │ │ │ │ │ │ ° Check to see if the tractors are locked. │ │ │ │ │ │ ° Check to see if the paper lever is set │ │ │ for fanfold paper. │ │ │ │ │ │ ° Adjust the paper thickness lever for │ │ │ multipart or thick paper. │ │ │ │ │ │ ° Check to see if the top cover is closed │ │ │ or set properly. │ │ │ │ │ │ ° Check to see if the paper stack is │ │ │ straight. │ │ │ │ │ │ Single sheet jams at insertion: │ │ │ │ │ │ ° If you try to load a narrow sheet of pa- │ │ │ per, the print head might not come to the│ │ │ center of the sheet width to guide the │ │ │ sheet properly at insertion. Adjust the │ │ │ printhead centering in the >PG CNTR menu.│ │ │ │ │ │ Paper does not feed: │ │ │ │ │ │ ° For fanfold paper, check to see if the │ │ │ paper is set in the tractors correctly. │ │ │ │ │ │ ° Check to see if the paper lever is set │ │ │ correctly, according to the paper type │ │ │ (toward the front of the printer for fan-│ │ │ fold paper; toward the back of the prin- │ │ │ ter for single sheets). │ │ │ │ │ │ Paper parking does not operate: │ │ │ │ │ │ ° Check to see if the paper lever is toward│ │ │ the front of the printer. │ │ │ │ │ │ ° If the tractor unit is installed in the │ │ │ pull tractor position, change it to the │ │ │ push tractor position. │ │ │ │ │ │ Paper does not park in the pull tractor │ │ │ mode: │ │ │ │ │ │ ° Be sure that the printer is off line. │ │ │ Paper parks only in the off-line mode. │ │ │ │ │ │ ° Be sure that the >PAPR OUT menu is set to│ │ │ ENABLE. │ │ │ │ │ │ Perforation tear off does not operate: │ │ │ │ │ │ ° See "Paper parking does not operate." │ │ │ │ │ │ Perforation does not line up with the tear │ │ │ edge: │ │ │ │ │ │ ° Check to see if the >FRM LNTH menu set- │ │ │ ting conforms to the actual paper size. │ ├───────────────────────────┼────────────────────────────────────────────┤ │ Trouble with printing │ Print head does not move: │ │ │ │ │ │ ° The ribbon knob might be locked. If so, │ │ │ replace the ribbon cassette. │ │ │ │ │ │ ° Confirm that the >FRM LNTH menu setting │ │ │ conforms to the actual paper size. │ │ │ │ │ │ ° There might be foreign matter in the │ │ │ print head. Follow the procedure in │ │ │ "Cleaning the Ribbon Mask and Platen." │ │ │ │ │ │ ° The carriage shaft might be smudged or │ │ │ out of oil. Clean or lubricate it as │ │ │ described in "Lubrication". │ ├───────────────────────────┼────────────────────────────────────────────┤ │ Trouble with printing │ Printer does not print at all: │ │ results: │ │ │ │ ° The print head adjustment lever might be │ │ │ set for thicker paper. Move the lever │ │ │ toward the back of the printer. │ │ │ │ │ │ ° Make sure the ribbon is correctly posi- │ │ │ tioned between the print head and the │ │ │ ribbon mask (thin steel plate). │ │ │ │ │ │ ° Check the two cables on the bottom of the│ │ │ print head; if the cables are not proper-│ │ │ ly connected, remove the print head and │ │ │ connect them correctly. │ │ │ │ │ │ Printing is faint: │ │ │ │ │ │ ° The print head adjustment lever might be │ │ │ set for thicker paper. Move the lever │ │ │ toward the back of the printer. │ │ │ │ │ │ ° Check & replace the ribbon if necessary. │ │ │ │ │ │ ° Check to see if the ribbon feeds proper- │ │ │ ly. Remove the ribbon cassette and turn │ │ │ the ribbon knob. If the ribbon knob is │ │ │ locked, replace the ribbon cassette. │ │ │ │ │ │ Printing is faint on the fourth part of │ │ │ multipart paper: │ │ │ │ │ │ ° If you have loaded the paper from the │ │ │ rear side of the printer, load it from │ │ │ the bottom. Multipart paper should be │ │ │ loaded from the bottom. │ │ │ │ │ │ ° Check to see if the >CPY MODE menu is set│ │ │ to ON. │ │ │ │ │ │ Paper smudges: │ │ │ │ │ │ ° The print head adjustment lever might be │ │ │ set for thinner paper (toward the back of│ │ │ the printer). Move the lever toward the │ │ │ front of the printer. │ │ │ │ │ │ ° The ribbon mask or platen might have ink │ │ │ on them. Clean the ribbon mask and pla- │ │ │ ten by referring to the instructions in │ │ │ "Cleaning the Ribbon Mask and Platen." │ ├───────────────────────────┼────────────────────────────────────────────┤ │ Trouble with color print- │ Printer does not print in color: │ │ ing: │ │ │ │ ° Check to see if the color ribbon is in- │ │ │ stalled properly.  │ │ │ │ │ │ ° Check to see if the color motor is in- │ │ │ stalled correctly. │ │ │ │ │ │ ° Confirm the >RIBBON menu is set to COLOR.│ │ │ │ │ │ Colors mix: │ │ │ │ │ │ ° Check to see if the color ribbon is in- │ │ │ stalled properly. │ │ │ │ │ │ ° The ribbon height may be incorrect. Ad- │ │ │ just the ribbon height with the color │ │ │ lever. │ ├───────────────────────────┼────────────────────────────────────────────┤ │ Trouble with printing │ Printer does not obtain expected printing │ │ characteristics: │ characteristics: │ │ │ │ │ │ ° The printer driver in the application │ │ │ software does not match the printer's │ │ │ emulation mode. If you've selected EPSON │ │ │ in the >EMLATION menu, select Epson LQ- │ │ │ 850, LQ-500, or LQ series in your appli- │ │ │ cation software. If you've selected IBM │ │ │ in the >EMLATION menu, select IBM Pro- │ │ │ printer X24 in your application software.│ │ │ │ │ │ ° Before selecting menu options, select a │ │ │ macro in the >MACRO MD menu and save it. │ │ │ Then you can store the subsequent set- │ │ │ tings in that macro so they are retained │ │ │ even when the printer is turned off. │ │ │ │ │ │ Defined menu settings are not activated: │ │ │ │ │ │ ° The defined menu settings are not activa-│ │ │ ted automatically. Return to the off-line│ │ │ mode & select the macro in the >MACRO MD │ │ │ menu. │ └───────────────────────────┴────────────────────────────────────────────┘ (smm 08/25/93)