Primera Signature User manual

Service Manual for
Signature Cassette Printer
©201
5
All rights reserved

1
Rear and Side Covers
02
Main Board
04
Headlift Motor
05
Input Door Motor
06
Carriage Drive Motor
07
Ribbon Drive Motors
0
8
©201
5
All rights reserved
Headlift & Ribbon Idler Gears
10
Carriage Rotation Motor
11
Headlift & Lid Sensors
12
Input Door Senso
r
13
Input Door Sensor Bracket
14
Cassette Sensor
15
Cassette Load Sensor
18
Ribbon Sensor
19
Ac
c
ess Internal
Sensors & Ribbon Cable
21
Carriage Home Sensor
26
Ribbon Cable
26
Carriage Rotation Sensor
27
Idler Post
31
Troubleshooting
35

2
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
201
5

3
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
201
5

4
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
201
5

5
3
▪
Replacing Headlift Motor
3
.1
Remove right side cover. Remove 2 screws securing motor. Replace motor.
Signature Cassette Printer
Service Manual
201
5

6
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.
Signature Cassette Printer
Service Manual
201
5

7
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 motor to remove slack while tightening screws.
Signature Cassette Printer
Service Manual
201
5

8
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.
6
.
2
Remove retaining rings securing ribbon hubs from motor(s) to be replaced.
Signature Cassette Printer
Service Manual
201
5

9
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
201
5

10
7
▪
Replacing
Headlift & 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.
Signature Cassette Pri
nter
Service Manual
201
5

11
8
▪
Replacing Carriage Rotation Motor
8
.1
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
the left while tightening screws to ensure gears do not bind.
Signature Cassette Printer
Service Manual
201
5

12
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
201
5

13
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
201
5

14
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
201
5

15
1
2
▪
Replacing Cassette Sensor
1
2
.1
Slide cassette pivot block assembly fully forward and rotate clockwise. Use needlenose to
unhook spring from block. Use allen wrench to loosen both set screws a few rotations.
Signature Cassette Printer
Service Manual
201
5
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.

16
Signature Cassette Printer
Service Manual
201
5
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).

17
Signature Cassette Printer
Service Manual
201
5
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.

18
Signature Cassette Printer
Service Manual
201
5
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.

19
Signature Cassette Printer
Service Manual
201
5
1
4
▪
Replacing
Ribbon
Sensor
1
4
.1
Remove both side covers. Remove screw and retaining ring indicated. Unplug ribbon sensor
cable from main board.
1
4
.
2
Remove screw
s
and retaining ring indicated.