Service Manual for Signature Cassette Printer
Contents
1. CASSETTE PRINTER TECHNOLOGY INC Signature Service Manual for Signature Cassette Printer 2015 All rights reserved PRIMERA 2015 All rights reserved PRIMERA Signature Cassette Printer Service Manual 2015 1 Removing Rear and Side Covers 1 1 Open lid Loosen 3 screws from the side or both sides that are being removed 1 2 Remove rear panel Loosen screw from side or both sides being removed Signature Cassette Printer Service Manual 2015 1 3 Lift up side cover or both covers to remove When removing right cover disconnect control panel cable from main board Signature Cassette Printer Service Manual 2015 2 Replacing Main Board 2 1 Remove right side cover Disconnect all cables Remove 4 screws securing board Replace board and reconnect all cables Signature Cassette Printer Service Manual 2015 3 Replacing Headlift Motor 3 1 Remove right side cover Remove 2 screws securing motor Replace motor Signature Cassette Printer Service Manual 2015 4 Replacing Input Door Motor 4 1 Remove right side cover Remove 2 screws securing motor use hole in base plate to access bottom screw Loop o ring around pulley on new motor and secure i f i Signature Cassette Printer Service Manual 2015 5 Replacing Carriage Drive Motor 5 1 Remove right side cover Remove 2 screws securing motor Loop belt around pulley and pull out on new motor2. and route cable through side plate When attaching new motor press to the left while tightening screws to ensure gears do not bind Signature Cassette Printer Service Manual 2015 9 Replacing Headlift and Lid Sensors 9 1 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 Route new sensor cable though both side plates and connect to main board Signature Cassette Printer Service Manual 2015 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 and use a needle nose to reach into right side plate and pull cable though Signature Cassette Printer Service Manual 2015 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 pictures then tighten screws Signature Cassette Printer Service Manual 2015 12 Replacing Cassette Sensor 12 1 Slide cassette pivot block assembly fully forward and rotate clockwise Use needle nose to unhook
3. replacing 15 18 Arrange link bushing and washers in order shown in insert picture and secure with retaining ring Hook spring to end of lid lift bracket Replace headlift stepper bracket m 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 Signature Cassette Printer Service Manual 2015 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 4 Ah VA a ARFERIR CEN N af g 16 2 Remove input door motor bottom screw can be accessed through hole in base plate Remove tiny retaining ring and slide off black pulley Remove top retaining ring from right link keep track of washers Signature Cassette Printer Service Manual 2015 16 3 Slide link and shaft out until it stops against edge of base plate g 4 16 4 Remove both screws securing wire plenum bracket 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 p
4. e 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 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 11 Carriage Home Sensor Remove both screws securing carriage home sensor to bracket Replace sensor and route through wire saddles be sure wire goes under shaft 15 12 Ribbon Cable Unplug ribbon cable from cassette sensor Remove 2 screws securing capture bracket tilt drive belt attachment up to access screws 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 15 14 Carriage Rotation Sensor Remove scr
5. ew securing input brace bracket to right side plate keep track of bearing and washers on pin Remove both screws securing carriage rotation sensor to bracket Replace sensor and route through wire saddles be sure wire goes under shaft Reattach bracket be sure bearing on pin goes into hole on carriage 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 15 16 Replace left side plate be sure all shafts goes through bearings and lid lift bracket goes through slot on right side plate Secure all 7 screws Use channel lock pliers to press pin back into hole on lid shaft so one end of pin is flush with flat edge of shaft be sure to place thin washer onto shaft first 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 If necessary sensor input door bracket can be removed to get link back on Refer to section 11 page 14 when
6. ost with pliers Be sure post is solid on side plate Replace 2 screws in wire plenum bracket Press bearing back into left side plate 16 6 Arrange link bushing and washers in order shown in insert picture and secure with retaining ring Slide pulley onto post and secure with tiny retaining ring Loop o ring around both pulleys and secure input door motor 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 Signature Cassette Printer Service Manual 2015 17 Troubleshooting 17 1
7. spring from block Use allen wrench to loosen both set screws a few rotations 12 2 Open lid and slide cassette pivot block assembly to center of unit Pull pins and bearings out of both sides Unplug ribbon cable from sensor and lift block out of unit Signature Cassette Printer Service Manual 2015 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 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 13 Replacing Cassette Load Sensor 13 1 Remove both side covers Remove 4 screws securing front cover Remove front cover 13 2 Remove 2 screws securing cassette load sensor and unplug cable Replace sensor and front cover 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 S See S LE e nd AW i TA ARS AN 14 2 Remove screws and retaining ring indicated ETE TTET P Signature Cassette Printer Ser
8. to remove slack while tightening screws we Signature Cassette Printer Service Manual 2015 6 Replacing Ribbon Drive Motors 6 1 Remove right side cover Unplug both cables Remove 4 screws securing ribbon drive bracket Open lid and lift bracket and motors out of unit E Boom oo ir oe 6 2 Remove retaining rings securing ribbon hubs from motor s to be replaced Signature Cassette Printer Service Manual 2015 6 3 Remove screws and replace motor s Re secure ribbon hubs with retaining rings Replace bracket into unit and connect cables Signature Cassette Printer Service Manual 2015 7 Replacing Headlift amp Ribbon Idler Gears 7 1 Remove right side cover Remove two screws securing headlift motor bracket use hole in main board to access bottom screw 7 2 Remove small retaining ring Remove and replace one or both damaged gears Replace retaining ring Reattach motor bracket Be sure teeth on motor gear line up evenly with plastic gear Rotate with thumb to verify gears turn smoothly 3 ee G pe za i Wi j i r T E oOo Er lt i Mun S NR AN b Toke up UP Servo Ly Gam ro J ft Jh Signature Cassette Printer Service Manual 2015 8 Replacing Carriage Rotation Motor 8 1 Remove right side cover and rear panel Remove 2 screws securing motor Unplug motor from main board
9. vice 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 amp 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 15 2 Remove headlift motor bracket from right side plate Unhook spring from lid lift bracket Signature Cassette Printer Service Manual 2015 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 Loosen both set screws insert picture Bottom set screw can be accessed through small hole in base plate 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 Signature Cassett
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