Rear and Side Covers Main Board Headlift Motor Input Door Motor Carriage Drive Motor Ribbon Drive Motors Headlift & Ribbon Idler Gears Carriage Rotation Motor Headlift & Lid Sensors Input Door Sensor Input Door Sensor Bracket Cassette Sensor Cassette Load Sensor Ribbon Sensor Access Internal Sensors &...
2015 Signature Cassette Printer Service Manual 1 ▪ Removing Rear and Side Covers Open lid. Loosen 3 screws from the side or both sides that are being removed. Remove rear panel. Loosen screw from side or both sides being removed.
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2015 Signature Cassette Printer Service Manual Lift up side cover or both covers to remove. When removing right cover, disconnect control panel cable from main board.
2015 Signature Cassette Printer Service Manual 2 ▪ Replacing Main Board Remove right side cover. Disconnect all cables. Remove 4 screws securing board. Replace board and reconnect all cables.
2015 Signature Cassette Printer Service Manual 4 ▪ Replacing Input Door Motor Remove right side cover. Remove 2 screws securing motor (use hole in baseplate to access bottom screw). Loop oring around pulley on new motor and secure.
Signature Cassette Printer Service Manual 2015 5 ▪ Replacing Carriage Drive Motor Remove right side cover. Remove 2 screws securing motor. Loop belt around pulley and pull out on new motor to remove slack while tightening screws.
Signature Cassette Printer Service Manual 2015 6 ▪ Replacing Ribbon Drive Motors Remove right side cover. Unplug both cables. Remove 4 screws securing ribbon drive bracket. Open lid and lift bracket and motors out of unit. Remove retaining rings securing ribbon hubs from motor(s) to be replaced.
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Signature Cassette Printer Service Manual 2015 Remove screws and replace motor(s). Resecure ribbon hubs with retaining rings. Replace bracket into unit and connect cables.
Signature Cassette Printer Service Manual 2015 7 ▪ Replacing Headlift & Ribbon Idler Gears Remove right side cover. Remove two screws securing headlift motor bracket (use hole in main board to access bottom screw). Remove small retaining ring. Remove and replace one or both damaged gears. Replace retaining ring.
Signature Cassette Printer Service Manual 2015 8 ▪ Replacing Carriage Rotation Motor Remove right side cover and rear panel. Remove 2 screws securing motor. Unplug motor from main board and route cable through side plate. When attaching new motor, press to...
2015 Signature Cassette Printer Service Manual 9 ▪ Replacing Headlift and Lid Sensors Remove both side covers and rear panel. Remove 2 screws securing sensor that needs to be replaced. For headlift sensor, rotate flag counterclockwise to gain access to top screw. For lid sensor, pop open lid to gain access to bottom screw.
2015 Signature Cassette Printer Service Manual 10 ▪ Replacing Input Door Sensor 10.1 Remove both side covers and main board. Remove 2 screws securing sensor and pull cable out of wire saddles and through unit. 10.2 Secure new sensor and route through wire saddles. Feed end of cable through left side plate...
2015 Signature Cassette Printer Service Manual 11 ▪ Adjusting Input Door Sensor Bracket 11.1 Remove left side cover. Sensor should be centered in arc of flag. Loosen screws on bracket. Slide bracket to left or right until flag is even in sensor in both right and left positions (insert...
2015 Signature Cassette Printer Service Manual 12 ▪ Replacing Cassette Sensor 12.1 Slide cassette pivot block assembly fully forward and rotate clockwise. Use needlenose to unhook spring from block. Use allen wrench to loosen both set screws a few rotations.
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2015 Signature Cassette Printer Service Manual 12.3 Remove 2 screws securing cassette sensor. Replace sensor. 12.4 Be sure pins have 0.01 washers between retaining rings and bearings (add them if the unit did not previously have them).
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Signature Cassette Printer Service Manual 2015 12.5 Set block back onto assembly and replace bearings and pins. Slide assembly fully forward again and retighten set screws. Reattach spring to block. 12.6 Rotate cassette pivot block assembly counterclockwise and reattach ribbon cable.
Signature Cassette Printer Service Manual 2015 14 ▪ Replacing Ribbon Sensor 14.1 Remove both side covers. Remove screw and retaining ring indicated. Unplug ribbon sensor cable from main board. 14.2 Remove screws and retaining ring indicated.
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Signature Cassette Printer Service Manual 2015 14.3 Slightly pull side panels apart and lift ribbon sensor bracket out of unit. 14.4 Replace sensor. Route cable through right side plate and place bracket back into unit, being sure tabs fit into slots. Replace all screws and retaining rings.
Signature Cassette Printer Service Manual 2015 15 ▪ Accessing Internal Sensors & Ribbon Cable 15.1 To replace carriage rotation sensor, carriage home sensor or ribbon cable, the left side plate needs to be removed. Remove both side covers. Remove front cover.
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2015 Signature Cassette Printer Service Manual 15.3 Open lid. Remove 2 screws from right shaft mount and tilt it forward. Use screwdriver behind mount to remove screw from lid release bracket. Remove bracket and curved washer. 15.4 Remove 5 retaining rings indicated (keep track of all washers). Pull sensor flag off of headlift shaft.
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Signature Cassette Printer Service Manual 2015 15.5 Use pliers to pry pin out of headlift shaft (keep track of washer). Access through slot in side plate and remove 2 screws securing belt tension block (keep track of washers). 15.6 Remove 7 screws indicated. Tip unit up to access 3 screws from bottom of base plate.
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Signature Cassette Printer Service Manual 2015 15.7 Pull left side plate from unit. Keep track of bushing and washers as left link comes off. 15.8 Remove retaining ring indicated. Remove input cover from unit (keep track of white washer between bushing and side plate, as it may fall out).
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Signature Cassette Printer Service Manual 2015 15.9 Remove long screw securing belt tension block and 2 screws securing bearing mount block. Remove bearing mount block from pulley shaft. 15.10 Lift belt up off of pulley. Remove 2 screws securing wire plenum bracket to base plate (note that both screws are slightly shorter than others used in unit and must be reused in same location).
Signature Cassette Printer Service Manual 2015 15.13 – Ribbon Cable Remove 2 screws securing capture bracket. Replace ribbon cable and secure in both capture brackets (be sure ribbon cable is level when tightening screws). After replacing wire plenum bracket verify ribbon cable is level and does not snag on bracket.
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Signature Cassette Printer Service Manual 2015 15.15 Reattach wire plenum bracket (be sure to use 2 shorter screws). Loop belt around pulley. Secure bearing mount block. Secure belt tension block (just start long screw, do not tighten). Place right pin of input cover into right link (make sure white washer is behind bushing).
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Signature Cassette Printer Service Manual 2015 15.17 Attach sensor flag and secure with retaining ring. Secure lid release bracket then secure screws in right shaft mount. Route 4 cables back through unit. Replace 2 retaining rings on both ribbon idler shafts. Replace left link (arrange link, bushing and washers in order shown in insert pictures) and secure with retaining rings.
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Signature Cassette Printer Service Manual 2015 15.19 Tighten long screw connected to belt tension block until carriage belt has appropriate tension. Replace 2 screws and washers to secure block in place.
2015 Signature Cassette Printer Service Manual 16 ▪ Tightening Loose Idler Post 16.1 Remove both side covers. Remove bottom retaining ring on left link (keep track of washers). Loosen both set screws (bottom screw can be accessed through small hole in base plate).
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Signature Cassette Printer Service Manual 2015 16.3 Slide link and shaft out until it stops against edge of base plate. 16.4 Remove both screws securing wire plenum bracket.
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Signature Cassette Printer Service Manual 2015 16.5 Remove bearing that shaft was in from left side plate. Slide long screwdriver into hole and lift wire plenum bracket slightly to access screw securing idler post. Tighten or replace screw (with Loctite 242) while gripping idler post with pliers. Be sure post is solid on side plate.
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Signature Cassette Printer Service Manual 2015 16.7 Arrange link and washers in order shown in insert picture and secure with retaining ring. Tighten both set screws.
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