Users Guide
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Chapter 1: Introduction 5 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: ...-the default 35 HSD: High Speed Draft 35 SSD: Super Speed Draft 35 NLQ: Near Letter Quality 35 Character Pitch 36 Print Speed 37 Printer Reset 37 Emulations 38 Changing Emulations 38 Chapter 4: Menu Mode 39 Menu Mode Keys 39 Menu Mode Keys and Functions 40 Entering and Exiting Menu...
Chapter 1: Introduction 5 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: ...-the default 35 HSD: High Speed Draft 35 SSD: Super Speed Draft 35 NLQ: Near Letter Quality 35 Character Pitch 36 Print Speed 37 Printer Reset 37 Emulations 38 Changing Emulations 38 Chapter 4: Menu Mode 39 Menu Mode Keys 39 Menu Mode Keys and Functions 40 Entering and Exiting Menu...
Users Guide
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...72 Clearing Paper Jams 72 Continuous Feed Paper Jams 72 Cut Sheet Paper Jams 74 Cleaning the Printer 75 Printer Exterior 75 Printer Interior 76 Testing the Printer 77 Font Sample Test 77 Rolling ASCII Test 78 Hexadecimal Dump Mode 79 Chapter 6: Troubleshooting ...Appendix A: Parts & Accessories 88 Purchasing Parts & Accessories 88 Consumables 89 Accessories 89 Appendix B: Printer Control Codes 90 IBM Proprinter III Commands 90 Epson FX Commands 93 Oki MICROLINE Standard Commands 95 Appendix C: Specifications 97 Print Method 97 Printhead 97 Interfaces 97 Receive Buffer Size...
...72 Clearing Paper Jams 72 Continuous Feed Paper Jams 72 Cut Sheet Paper Jams 74 Cleaning the Printer 75 Printer Exterior 75 Printer Interior 76 Testing the Printer 77 Font Sample Test 77 Rolling ASCII Test 78 Hexadecimal Dump Mode 79 Chapter 6: Troubleshooting ...Appendix A: Parts & Accessories 88 Purchasing Parts & Accessories 88 Consumables 89 Accessories 89 Appendix B: Printer Control Codes 90 IBM Proprinter III Commands 90 Epson FX Commands 93 Oki MICROLINE Standard Commands 95 Appendix C: Specifications 97 Print Method 97 Printhead 97 Interfaces 97 Receive Buffer Size...
Users Guide
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...), 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. Chapter 1: Introduction Printer Features Super reliable, durable operation: 25,000 hours Mean Time Between Failures (MTBF) at : ...
...), 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. Chapter 1: Introduction Printer Features Super reliable, durable operation: 25,000 hours Mean Time Between Failures (MTBF) at : ...
Users Guide
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USB connector . Power Connector . Paper Thickness Lever . Optional Cut Sheet Feeder/Roll Paper Stand connector Note: The serial number of your printer is on a label on the back, beside "S/N." Optional Serial/Network connector . Ribbon Cartridge . Print Head . Parts Identification: Inside View 1. Parallel connector . Pull-up Guide Assembly 1 5 6 4 3 2 1 4 2 3 ML620/ML621 User's Guide Ventilation . Parts Identification: Rear View 1.
USB connector . Power Connector . Paper Thickness Lever . Optional Cut Sheet Feeder/Roll Paper Stand connector Note: The serial number of your printer is on a label on the back, beside "S/N." Optional Serial/Network connector . Ribbon Cartridge . Print Head . Parts Identification: Inside View 1. Parallel connector . Pull-up Guide Assembly 1 5 6 4 3 2 1 4 2 3 ML620/ML621 User's Guide Ventilation . Parts Identification: Rear View 1.
Users Guide
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... in the list is active. The Control Panel The ALARM light indicates an alarm condition The SEL light indicates if the printer is online The 7 keys function differently, depending on which printer mode is active The lights above the square indicate a flashing light ML620/ML621 User's Guide For example, if both lights...
... in the list is active. The Control Panel The ALARM light indicates an alarm condition The SEL light indicates if the printer is online The 7 keys function differently, depending on which printer mode is active The lights above the square indicate a flashing light ML620/ML621 User's Guide For example, if both lights...
Users Guide
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...OFF Flashing SEL (Select) Green ON OFF Flashing TEAR Green ON OFF Flashing Explanation The paper is offline; Printer is at its end; Printer is in Tear up position. Printer is in Tear down position. When flashing with the TEAR light, indicates the Top Cover is present. ...When flashing together with SEL: unrecoverable status alarm. Printer is in Menu mode. ready to receive data and print. Turn the power OFF, verify that the carriage moves properly, then turn...
...OFF Flashing SEL (Select) Green ON OFF Flashing TEAR Green ON OFF Flashing Explanation The paper is offline; Printer is at its end; Printer is in Tear up position. Printer is in Tear down position. When flashing with the TEAR light, indicates the Top Cover is present. ...When flashing together with SEL: unrecoverable status alarm. Printer is in Menu mode. ready to receive data and print. Turn the power OFF, verify that the carriage moves properly, then turn...
Users Guide
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... 1 > LED 1 and 2 Flashing > LED 2 > LED 1 > LED 1 and 2 PRINT SPEED Green ON > LED 2 > LED 1 > LED 1 and 2 Flashing > LED 2 SLEEP Green Flashing Explanation With TEAR light ON: > Printer is selected.
... 1 > LED 1 and 2 Flashing > LED 2 > LED 1 > LED 1 and 2 PRINT SPEED Green ON > LED 2 > LED 1 > LED 1 and 2 Flashing > LED 2 SLEEP Green Flashing Explanation With TEAR light ON: > Printer is selected.
Users Guide
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... SPEED SEL + LF/FF On-line / Off-line On-line / Off-line On-line / Off-line On-line / Off-line Function when pressed Takes the printer off-line. ML620/ML621 User's Guide 12 For cut sheet hold (for more than 400 ms) When no paper loaded: performs a paper load. Cut sheet... forms only: moves the paper to toggle through the character pitch options. Press the key to toggle through the font options. No effect. Takes the printer on-line. Pull feed: no effect. Press the key to toggle through the print speed options. Press the key to its cut sheet. - For a line...
... SPEED SEL + LF/FF On-line / Off-line On-line / Off-line On-line / Off-line On-line / Off-line Function when pressed Takes the printer off-line. ML620/ML621 User's Guide 12 For cut sheet hold (for more than 400 ms) When no paper loaded: performs a paper load. Cut sheet... forms only: moves the paper to toggle through the character pitch options. Press the key to toggle through the font options. No effect. Takes the printer on-line. Pull feed: no effect. Press the key to toggle through the print speed options. Press the key to its cut sheet. - For a line...
Users Guide
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.../FF CHR PITCH + PRINT SPEED On-line / Off-line Online / Offline Function when pressed No effect. Pressing these keys at the same time RESETS the printer to the original factory defaults.
.../FF CHR PITCH + PRINT SPEED On-line / Off-line Online / Offline Function when pressed No effect. Pressing these keys at the same time RESETS the printer to the original factory defaults.
Users Guide
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Chapter 2: Paper Handling This chapter describes how to use continuous forms and cut sheet paper in the printer, including: Loading Continuous Forms Paper Rear Feed Front Feed Bottom Feed (optional pull tractor) Managing Continuous Forms Paper Tearing ...
Chapter 2: Paper Handling This chapter describes how to use continuous forms and cut sheet paper in the printer, including: Loading Continuous Forms Paper Rear Feed Front Feed Bottom Feed (optional pull tractor) Managing Continuous Forms Paper Tearing ...
Users Guide
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...feed Bottom feed (optional pull tractor) ML620/ML621 User's Guide 15 Loading Continuous Forms Paper To avoid paper feeding problems: Make sure the printer is on a surface approximately 30" (76 cm) above the floor. Position the continuous forms supply directly below the... printer, no more than 1.2" (3 cm) left or right of the printer paper path. Make sure the rear of the surface and at least 24" (61 cm) from any wall. There are three ...
...feed Bottom feed (optional pull tractor) ML620/ML621 User's Guide 15 Loading Continuous Forms Paper To avoid paper feeding problems: Make sure the printer is on a surface approximately 30" (76 cm) above the floor. Position the continuous forms supply directly below the... printer, no more than 1.2" (3 cm) left or right of the printer paper path. Make sure the rear of the surface and at least 24" (61 cm) from any wall. There are three ...
Users Guide
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Rear Feed Note: If you have ready access to the back of the printer. Open the access cover (1) and set the Paper Thickness lever to "Front Feed." 1. If you have any paper in the REAR feed position: 2 1 . Make sure the Paper Type lever is turned ON. . Close the cover. 1 3 ML620/ML621 User's Guide 16 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 suit the paper.
Rear Feed Note: If you have ready access to the back of the printer. Open the access cover (1) and set the Paper Thickness lever to "Front Feed." 1. If you have any paper in the REAR feed position: 2 1 . Make sure the Paper Type lever is turned ON. . Close the cover. 1 3 ML620/ML621 User's Guide 16 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 suit the paper.
Users Guide
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NOTE: If the tractor assembly is seated, push down to release the guide. From the back of the printer, open the front access door, grab the finger guides (2) on each side and pinch them together to snap the guides in the front of the printer, locate the tractors (1). Close the front access door. 2 1 ML620/ML621 User's Guide 17 Remove it from the front and insert it into the back feed and when it off the printer. 1 . . Lift it slightly, then slide it is in place. Grasp the sheet guide (1).
NOTE: If the tractor assembly is seated, push down to release the guide. From the back of the printer, open the front access door, grab the finger guides (2) on each side and pinch them together to snap the guides in the front of the printer, locate the tractors (1). Close the front access door. 2 1 ML620/ML621 User's Guide 17 Remove it from the front and insert it into the back feed and when it off the printer. 1 . . Lift it slightly, then slide it is in place. Grasp the sheet guide (1).
Users Guide
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Move the rear paper guide to advance the paper. Note: If the paper is 11/12" (23.28 mm) down from the back of the printer) to the reference mark (2) matching the width of the paper you don't the paper will skew and jam. 10. Place continuous forms paper on either ... tractor (as viewed from the top of Form (TOF)". You must keep the number of paper holes engaged on the first two pins of the printer until the holes in the paper are loading. Adjust the left and right tractor pins. . Press and hold the LOAD/EJECT key to midway between...
Move the rear paper guide to advance the paper. Note: If the paper is 11/12" (23.28 mm) down from the back of the printer) to the reference mark (2) matching the width of the paper you don't the paper will skew and jam. 10. Place continuous forms paper on either ... tractor (as viewed from the top of Form (TOF)". You must keep the number of paper holes engaged on the first two pins of the printer until the holes in the paper are loading. Adjust the left and right tractor pins. . Press and hold the LOAD/EJECT key to midway between...
Users Guide
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... the right tractor to release the guide. ML620/ML621 User's Guide 20 . Open the tractor covers and place continuous forms paper on the printer for the Top of the printer. You will skew and jam. . Make sure the tractor assembly is seated, push down from the back and insert it into the...
... the right tractor to release the guide. ML620/ML621 User's Guide 20 . Open the tractor covers and place continuous forms paper on the printer for the Top of the printer. You will skew and jam. . Make sure the tractor assembly is seated, push down from the back and insert it into the...
Users Guide
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...access cover. . Then press the locking lever back down to be inconsistent. NOTE: Make sure that the forms are properly aligned on a slotted printer stand, carefully aligning the slot in the stand with the slot in the forms onto the sprocket pins. Close the access cover. 1. Make sure ...Move the paper guide to accommodate the width of the continuous forms, taking care that paper is pulled down to avoid the possibility of the printer. . Adjust the right Pin Tractor to midway between the Pin Tractors. Adjust the Paper Thickness Lever to adjust the paper position. Lift the ...
...access cover. . Then press the locking lever back down to be inconsistent. NOTE: Make sure that the forms are properly aligned on a slotted printer stand, carefully aligning the slot in the stand with the slot in the forms onto the sprocket pins. Close the access cover. 1. Make sure ...Move the paper guide to accommodate the width of the continuous forms, taking care that paper is pulled down to avoid the possibility of the printer. . Adjust the right Pin Tractor to midway between the Pin Tractors. Adjust the Paper Thickness Lever to adjust the paper position. Lift the ...
Users Guide
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... - Press the LOAD/EJECT key to the paper cutter. Close the pin tractor covers. When data is received by the printer or when the SEL key is pressed to select the printer, the paper will cause irregular line spacing. Check the position of the tear-off perforations have been aligned with the.... Lift the pin tractor covers and remove the forms. . ML620/ML621 User's Guide 22 When data is received by the printer or when the SEL key is pressed to select the printer, the continuous forms is no paper present. Do not use the platen knob for this will retract to indicate that...
... - Press the LOAD/EJECT key to the paper cutter. Close the pin tractor covers. When data is received by the printer or when the SEL key is pressed to select the printer, the paper will cause irregular line spacing. Check the position of the tear-off perforations have been aligned with the.... Lift the pin tractor covers and remove the forms. . ML620/ML621 User's Guide 22 When data is received by the printer or when the SEL key is pressed to select the printer, the continuous forms is no paper present. Do not use the platen knob for this will retract to indicate that...
Users Guide
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... the appropriate Paper Guides (1) along the scale (2) relative to avoid the possibility of the printed line marker arrow. 2 1 . Make sure the printer is any continuous forms paper in the printer, eject it as described in the Front Feed Paper tray, open the front cover and install the front paper tray. 1 2 ML620/ML621...
... the appropriate Paper Guides (1) along the scale (2) relative to avoid the possibility of the printed line marker arrow. 2 1 . Make sure the printer is any continuous forms paper in the printer, eject it as described in the Front Feed Paper tray, open the front cover and install the front paper tray. 1 2 ML620/ML621...
Users Guide
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... and upwards for front feed and the left edge aligned with the Paper Guide (1), carefully insert the paper on the Paper Tray (2) and into the printer until it touches the feed roller to avoid the possibility of skewed printing or paper jams. ML620/ML621 User's Guide 24 NOTES: > Make sure that...
... and upwards for front feed and the left edge aligned with the Paper Guide (1), carefully insert the paper on the Paper Tray (2) and into the printer until it touches the feed roller to avoid the possibility of skewed printing or paper jams. ML620/ML621 User's Guide 24 NOTES: > Make sure that...
Users Guide
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... Notes on Different Types of Paper Narrow paper: When printing on individual sheets. If the Paper Thickness Lever is set for the printer to transfer. Labels: Always feed labels from the FRONT - never from where it automatically ejects the page. Press LOAD/... Also, glossy paper may fluctuate. Glossy paper: Test paper with a glossy finish thoroughly before using . Ejecting Cut Sheet Paper When the printer reaches the end of the cut sheet left off , causing paper jams. The adhesive strength of labels can result in paper jams. ...
... Notes on Different Types of Paper Narrow paper: When printing on individual sheets. If the Paper Thickness Lever is set for the printer to transfer. Labels: Always feed labels from the FRONT - never from where it automatically ejects the page. Press LOAD/... Also, glossy paper may fluctuate. Glossy paper: Test paper with a glossy finish thoroughly before using . Ejecting Cut Sheet Paper When the printer reaches the end of the cut sheet left off , causing paper jams. The adhesive strength of labels can result in paper jams. ...