Users Guide
Page 3
... Printer Features 5 Oki Data on the Internet 5 Parts Identification: Front View 6 Parts Identification: Rear View 7 Parts Identification: Inside View 7 The Control Panel 8 Print Mode Key Functions 12 Chapter 2: Paper Handling 14 Loading Continuous Forms Paper 15 Rear Feed 16 Front Feed 19 Bottom Feed (optional pull tractor 21 Tearing Off Continuous Forms Paper 22 Aligning the Tear-Off Perforations 22 Removing Continuous Forms Paper 23 Loading Cut Sheet Paper 23 Cut Sheet Paper, Top and Front Feed 23 Ejecting Cut Sheet Paper 25 Notes on Different Types of Paper 26 Top of Form...
... Printer Features 5 Oki Data on the Internet 5 Parts Identification: Front View 6 Parts Identification: Rear View 7 Parts Identification: Inside View 7 The Control Panel 8 Print Mode Key Functions 12 Chapter 2: Paper Handling 14 Loading Continuous Forms Paper 15 Rear Feed 16 Front Feed 19 Bottom Feed (optional pull tractor 21 Tearing Off Continuous Forms Paper 22 Aligning the Tear-Off Perforations 22 Removing Continuous Forms Paper 23 Loading Cut Sheet Paper 23 Cut Sheet Paper, Top and Front Feed 23 Ejecting Cut Sheet Paper 25 Notes on Different Types of Paper 26 Top of Form...
Users Guide
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... Cut Sheet Paper Jams 75 Cleaning the Printer 77 Printer Exterior 77 Printer Interior 77 Testing the Printer 78 Font Sample Test 78 Rolling ASCII Test 79 Hexadecimal Dump Mode 80 Chapter 6: Troubleshooting 81 General Information 81 Responding to Alarm Conditions 82 Problems / Solutions 83 Appendix A: Parts & Accessories 89 Purchasing Parts & Accessories 89 Consumables 90 Accessories 90 Appendix B: Printer Control Codes 91 IBM Proprinter Commands 91 Epson FX Commands 94 Appendix C: Specifications 96 Print Method 96 Printhead 96 Interfaces...
... Cut Sheet Paper Jams 75 Cleaning the Printer 77 Printer Exterior 77 Printer Interior 77 Testing the Printer 78 Font Sample Test 78 Rolling ASCII Test 79 Hexadecimal Dump Mode 80 Chapter 6: Troubleshooting 81 General Information 81 Responding to Alarm Conditions 82 Problems / Solutions 83 Appendix A: Parts & Accessories 89 Purchasing Parts & Accessories 89 Consumables 90 Accessories 90 Appendix B: Printer Control Codes 91 IBM Proprinter Commands 91 Epson FX Commands 94 Appendix C: Specifications 96 Print Method 96 Printhead 96 Interfaces...
Users Guide
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... Quality (LQ) Mode: 120 cps This rugged 24 pin printer can meet the needs of harsh and demanding environments. Five methods of loading paper and printing: Continuous Forms Rear Feed (Push), Continuous Forms Front Feed (Push), Continuous Forms Bottom Feed (Pull), Cut Sheet (Top), Cut Sheet (Front) Oki Data on the Internet The Oki Data Web Sites provide the most current information available on your printer. You may reach Oki Data via Oki Data's Web Sites. Chapter 1: Introduction Printer...
... Quality (LQ) Mode: 120 cps This rugged 24 pin printer can meet the needs of harsh and demanding environments. Five methods of loading paper and printing: Continuous Forms Rear Feed (Push), Continuous Forms Front Feed (Push), Continuous Forms Bottom Feed (Pull), Cut Sheet (Top), Cut Sheet (Front) Oki Data on the Internet The Oki Data Web Sites provide the most current information available on your printer. You may reach Oki Data via Oki Data's Web Sites. Chapter 1: Introduction Printer...
Users Guide
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Rear Feed Note: If you have ready access to suit the paper. Close the cover. 1 3 ML690/ML691 User's Guide 16 Open the access cover (1) and set the Paper Thickness lever to the back of the printer. Make sure the printer is in the paper path, remove it before installing rear feed paper. 1 Lock Lever 2 Upper Tractor Cover 3 Pins Note: These instructions assume you do not, skip down to "Front Feed." 1. Make sure the Paper Type lever is turned ON. . If you have any paper in the REAR feed position: 2 1 .
Rear Feed Note: If you have ready access to suit the paper. Close the cover. 1 3 ML690/ML691 User's Guide 16 Open the access cover (1) and set the Paper Thickness lever to the back of the printer. Make sure the printer is in the paper path, remove it before installing rear feed paper. 1 Lock Lever 2 Upper Tractor Cover 3 Pins Note: These instructions assume you do not, skip down to "Front Feed." 1. Make sure the Paper Type lever is turned ON. . If you have any paper in the REAR feed position: 2 1 .
Users Guide
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.../ML691 User's Guide 21 11. Make sure the Paper Type Lever is turned OFF. . Open the left and right Pin Tractors. 10. Adjust the right Pin Tractor to avoid the possibility of the printer. . Place the printer on the sprocket pins, then close the Pin Tractor covers. Note: The factory default setting for the Top of the printer. . Press and hold the LOAD/EJECT key to suit the paper. . NOTE: Make sure that the forms are properly aligned...
.../ML691 User's Guide 21 11. Make sure the Paper Type Lever is turned OFF. . Open the left and right Pin Tractors. 10. Adjust the right Pin Tractor to avoid the possibility of the printer. . Place the printer on the sprocket pins, then close the Pin Tractor covers. Note: The factory default setting for the Top of the printer. . Press and hold the LOAD/EJECT key to suit the paper. . NOTE: Make sure that the forms are properly aligned...
Users Guide
Page 22
... TOF position shifts because of the tear-off position. . When data is received by the printer or when the SEL key is pressed to select the printer, the continuous forms is repositioned to help remove the slack. Aligning the Tear-Off Perforations If the tear-off position using the 1/180" line feeds (LF). - Adjust to the desired tear-off perforations are not aligned with the paper cutter on the access cover. . Turn the platen to the first line print position. Check the position...
... TOF position shifts because of the tear-off position. . When data is received by the printer or when the SEL key is pressed to select the printer, the continuous forms is repositioned to help remove the slack. Aligning the Tear-Off Perforations If the tear-off position using the 1/180" line feeds (LF). - Adjust to the desired tear-off perforations are not aligned with the paper cutter on the access cover. . Turn the platen to the first line print position. Check the position...
Users Guide
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... the cut sheet paper, top feed and front feed. ML690/ML691 User's Guide 23 Cut Sheet Paper, Top and Front Feed 1. TEAR and LF/FF keys at the same time, then release the keys. . Close the pin tractor covers. To load the cut sheet in "Removing Continuous Forms Paper". . Make sure the printer is pressed to select the printer, the paper will retract to avoid the possibility of cut sheet position: . NOTE: The printer switches to move the front edge of a paper jam...
... the cut sheet paper, top feed and front feed. ML690/ML691 User's Guide 23 Cut Sheet Paper, Top and Front Feed 1. TEAR and LF/FF keys at the same time, then release the keys. . Close the pin tractor covers. To load the cut sheet in "Removing Continuous Forms Paper". . Make sure the printer is pressed to select the printer, the paper will retract to avoid the possibility of cut sheet position: . NOTE: The printer switches to move the front edge of a paper jam...
Users Guide
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... the top will peel off and cause jams. Do not use labels on very narrow paper (e.g., three inches), change the Centering position can absorb marks from the paper feed roller or from the top - labels fed from the FRONT - ML690/ML691 User's Guide 26 Notes on Different Types of Paper Narrow paper: When printing on individual sheets. A glossy surface can result in Chapter...
... the top will peel off and cause jams. Do not use labels on very narrow paper (e.g., three inches), change the Centering position can absorb marks from the paper feed roller or from the top - labels fed from the FRONT - ML690/ML691 User's Guide 26 Notes on Different Types of Paper Narrow paper: When printing on individual sheets. A glossy surface can result in Chapter...
Users Guide
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... of Form and Forms Tear-Off settings of the page. If you set the Top of Form depends on , the Top of Form (TOF) and Forms Tear-Off Note: Your software may need to adjust the TOF to 500 ms, 1 sec, or 2 sec) or OFF (the factory default setting). Always shut the printer off before turning the platen knob. The first line prints at the default top of Form (TOF) Important! ML690/ML691 User's Guide 27...
... of Form and Forms Tear-Off settings of the page. If you set the Top of Form depends on , the Top of Form (TOF) and Forms Tear-Off Note: Your software may need to adjust the TOF to 500 ms, 1 sec, or 2 sec) or OFF (the factory default setting). Always shut the printer off before turning the platen knob. The first line prints at the default top of Form (TOF) Important! ML690/ML691 User's Guide 27...
Users Guide
Page 47
... setting. To set in bold italic) Specify manual form paper advancement or select a time; If your software has its original printing position. No, 25.4 mm (1") Change to 8" to skip over perforations or not. Manual, 0.5 sec, 1 sec, 2 sec Specify whether to print on narrow paper. 13.6", 8" ML690/ML691 User's Guide 47 MENU SETTINGS TABLE Group Rear Feed (Push) Item Form Tear-Off 5 (cont.) Skip Over Perforation Page Width 4 (only displayed for .5, 1 or 2 seconds, paper is advanced from the current print position...
... setting. To set in bold italic) Specify manual form paper advancement or select a time; If your software has its original printing position. No, 25.4 mm (1") Change to 8" to skip over perforations or not. Manual, 0.5 sec, 1 sec, 2 sec Specify whether to print on narrow paper. 13.6", 8" ML690/ML691 User's Guide 47 MENU SETTINGS TABLE Group Rear Feed (Push) Item Form Tear-Off 5 (cont.) Skip Over Perforation Page Width 4 (only displayed for .5, 1 or 2 seconds, paper is advanced from the current print position...
Users Guide
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... to the tear position. Select Mode 1 or Mode 2 for ML690. When data is received, paper is advanced from the current print position to its original printing position. Specify manual form paper advancement or select a time; Used to RPS) Function Specify the length of a continuous form. MENU SETTINGS TABLE Group Item Pull Page Length (cont.) LF Revise (Continuous Paper Line Feed Adjust) Centering Position Cut Sheet Top Feed Line Spacing Form Tear-Off 5, 6 (Displayed when connected to limit printhead travel when printing narrow columns. Change to 8 lines per inch (lpi...
... to the tear position. Select Mode 1 or Mode 2 for ML690. When data is received, paper is advanced from the current print position to its original printing position. Specify manual form paper advancement or select a time; Used to RPS) Function Specify the length of a continuous form. MENU SETTINGS TABLE Group Item Pull Page Length (cont.) LF Revise (Continuous Paper Line Feed Adjust) Centering Position Cut Sheet Top Feed Line Spacing Form Tear-Off 5, 6 (Displayed when connected to limit printhead travel when printing narrow columns. Change to 8 lines per inch (lpi...
Users Guide
Page 61
... use the same Top of Form position, keep your printer from dumping the received data while it feeds to the printer, change the setting to Invalid to keep the default setting of data it is received. Sets the character pitch used when the ESC SI command is waiting for IBM Emulation) Function If your software spends a long time processing between portions of "Yes". If you load in bold italic) Valid, Invalid No, Yes Auto Interface, Parallel, USB...
... use the same Top of Form position, keep your printer from dumping the received data while it feeds to the printer, change the setting to Invalid to keep the default setting of data it is received. Sets the character pitch used when the ESC SI command is waiting for IBM Emulation) Function If your software spends a long time processing between portions of "Yes". If you load in bold italic) Valid, Invalid No, Yes Auto Interface, Parallel, USB...
Users Guide
Page 67
...), 12" (304.8 mm), 14" (355.6 mm), 16" (420.9 mm), 17" (431.8 mm) When the printer reaches the selected measurement, measured from the bottom of the page (-) in regard to the TOF position of a cut sheet paper. Selects the length of the paper you are set in bold italic) Change to 8 lines per inch (lpi) to keep track of the initial printing position (TOF) on a page. ML690/ML691 User's Guide 67
...), 12" (304.8 mm), 14" (355.6 mm), 16" (420.9 mm), 17" (431.8 mm) When the printer reaches the selected measurement, measured from the bottom of the page (-) in regard to the TOF position of a cut sheet paper. Selects the length of the paper you are set in bold italic) Change to 8 lines per inch (lpi) to keep track of the initial printing position (TOF) on a page. ML690/ML691 User's Guide 67
Users Guide
Page 69
... Form Tear Off function "on," if the printer is idle for EPSON emulation. Table Footnotes: 1 Selects both double-width and double-height character or single-width and single-height characters. 2 When "1 line" ID selected, the receiving buffer size is set in bold italic) Right Margin Over, .0394" (1 mm), .0787" (2 mm), .12" (3 mm), .16" (4 mm), .2" (5 mm), .24" (6 mm) ML690/ML691 User's Guide 69 MENU SETTINGS TABLE Group Item Extension Right Margin (Cut Sheet) (cont.) Function If the printer data...
... Form Tear Off function "on," if the printer is idle for EPSON emulation. Table Footnotes: 1 Selects both double-width and double-height character or single-width and single-height characters. 2 When "1 line" ID selected, the receiving buffer size is set in bold italic) Right Margin Over, .0394" (1 mm), .0787" (2 mm), .12" (3 mm), .16" (4 mm), .2" (5 mm), .24" (6 mm) ML690/ML691 User's Guide 69 MENU SETTINGS TABLE Group Item Extension Right Margin (Cut Sheet) (cont.) Function If the printer data...
Users Guide
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... printer with the Power Switch set to push the fragment out of the printer. . ML690/ML691 User's Guide 74 Open the access cover. . Remove the top Paper Tray by holding the tray by the tabs on the Pin Tractors and turn the platen knob to ON. 1. Rotate the platen knob and remove the forms from the Pin Tractors. . Clearing Paper Jams Continuous Feed Paper Jams WARNING: Do not carry out any unprinted continuous forms. . Make sure the printer is turned...
... printer with the Power Switch set to push the fragment out of the printer. . ML690/ML691 User's Guide 74 Open the access cover. . Remove the top Paper Tray by holding the tray by the tabs on the Pin Tractors and turn the platen knob to ON. 1. Rotate the platen knob and remove the forms from the Pin Tractors. . Clearing Paper Jams Continuous Feed Paper Jams WARNING: Do not carry out any unprinted continuous forms. . Make sure the printer is turned...
Users Guide
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... User's Guide 82 The Paper Type lever is being fed. Remove the cut sheet feeding. Turn the power OFF, verify that the carriage moves properly, then turn the power ON again. Responding to Alarm Conditions Use the following table for the type of paper in use. Printing cannot be resumed at this stage. If the indicator lights continue to flash, contact your dealer. Add paper and press the SEL key. INDICATOR SEL ALARM...
... User's Guide 82 The Paper Type lever is being fed. Remove the cut sheet feeding. Turn the power OFF, verify that the carriage moves properly, then turn the power ON again. Responding to Alarm Conditions Use the following table for the type of paper in use. Printing cannot be resumed at this stage. If the indicator lights continue to flash, contact your dealer. Add paper and press the SEL key. INDICATOR SEL ALARM...
Users Guide
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... printing takes place. Problems / Solutions Use the following table to check if it works. Re-install the printer driver correctly. Press the SEL key. The printhead is no paper in not properly connected. Install the ribbon cartridge. When the printer is powered ON, switch from off-line mode to OFF before you change after the printer is properly connected at both the power outlet and the printer. You must set the Power Switch to on . ML690/ML691 User's Guide 83 Use correct interface cable...
... printing takes place. Problems / Solutions Use the following table to check if it works. Re-install the printer driver correctly. Press the SEL key. The printhead is no paper in not properly connected. Install the ribbon cartridge. When the printer is powered ON, switch from off-line mode to OFF before you change after the printer is properly connected at both the power outlet and the printer. You must set the Power Switch to on . ML690/ML691 User's Guide 83 Use correct interface cable...
Users Guide
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... printer is set to normal. Set the speed to print at high speed. A line of -life. Incorrect print setup for the previous print operation are too pale to its end-of print is contamination on the paper. The Paper Thickness lever position does not match the paper. Replace the ribbon with a new one. Replace the ribbon cartridge with a new one . Broken wire pins. The application control codes for the user's application. ML690/ML691 User's Guide 84 Print...
... printer is set to normal. Set the speed to print at high speed. A line of -life. Incorrect print setup for the previous print operation are too pale to its end-of print is contamination on the paper. The Paper Thickness lever position does not match the paper. Replace the ribbon with a new one. Replace the ribbon cartridge with a new one . Broken wire pins. The application control codes for the user's application. ML690/ML691 User's Guide 84 Print...
Users Guide
Page 86
... the printer. Load sheets with wrinkles, folds, or other extended types. Eject the continuous forms and select the printer's cut sheet feed No paper feed. When continuous forms are not printed in the print-out. or other defects. Paper with their left edges against the paper guide. SOLUTION Reselect the left and right margins correctly in bidirectional printing. Load sheets to the end. Change paper. Use paper types specified for the printer. May happen in the application. Cancel tear-off perforation spacing is...
... the printer. Load sheets with wrinkles, folds, or other extended types. Eject the continuous forms and select the printer's cut sheet feed No paper feed. When continuous forms are not printed in the print-out. or other defects. Paper with their left edges against the paper guide. SOLUTION Reselect the left and right margins correctly in bidirectional printing. Load sheets to the end. Change paper. Use paper types specified for the printer. May happen in the application. Cancel tear-off perforation spacing is...
Users Guide
Page 87
...length selected in use. No continuous forms feed. Cancel the skip-over perforation spacing is off perforation positions. The adjust lever position does not match the paper type. Inadequate distance between cut sheet and continuous forms modes No cut sheet feed. Skewed paper feeding. Move the paper source nearer to continuous forms mode. Set the Paper Type lever to tighten the paper. Paper movement is in Skip-over perforation spacing. the print-out The selected skip-over between the left and right Pin Tractors, making for this printer. Abnormal switch...
...length selected in use. No continuous forms feed. Cancel the skip-over perforation spacing is off perforation positions. The adjust lever position does not match the paper type. Inadequate distance between cut sheet and continuous forms modes No cut sheet feed. Skewed paper feeding. Move the paper source nearer to continuous forms mode. Set the Paper Type lever to tighten the paper. Paper movement is in Skip-over perforation spacing. the print-out The selected skip-over between the left and right Pin Tractors, making for this printer. Abnormal switch...