51
Print Head and FFC Cable Replacement
REMOVAL (Print Head)
Step 1. Open the printer front cover and remove the ribbon cassette.
Step 2. Remove 2 pan head screws (S-6) that are securing the print head onto the carrier.
Remove 1 screw from the carrier cover and pull the printhead toward the front of the
printer. Disconnect the printhead cables.
REMOVAL (FFC Cables)
Step 1. Print Head must be already removed.
Step 2. Remove the carrier motor, 4 pan head screws (S-16).
Step 3. Remove the rear guide FFC upper plate, 3 pan head screws (S-6).
Step 4. Remove 2 pan head screws (S-17) from the mechanism stoppers (left and right corners
of the mechanism).
Step 5. Lift up the back of the mechanism and disconnect the FFC cables from the connectors
on the control PCB unit.
Step 6. Lift up the FFC guide plate and remove cables from the retainers with tweezers or a
screwdriver.
Step 7. Disconnect the FFC cables from the connectors on the print head PCB unit in the carrier;
then remove the FFC cables from the carrier.
Caution: Make sure that three FFC cover clip retainers hold the cable but not damage it.
INSTALLATION
Follow the reverse of the above procedure.
Содержание Accel-7350
Страница 1: ...1 Accel 7350 Dot Matrix Printer Service Manual Document 130034 ...
Страница 24: ...23 Wiring Diagram ...
Страница 25: ...24 Control Diagram ...
Страница 35: ...34 Dots Missing Caution Do not touch the print head immediately after printing because it may be too hot ...
Страница 36: ...35 Extra Dot Printing Improper character ...
Страница 37: ...36 Incorrect Printing Irregular print data ...
Страница 38: ...37 No LCD Display Half of the LCD lights up ...
Страница 39: ...38 No LCD Display Completely blank ...
Страница 40: ...39 Control Keys Not Functioning ...
Страница 41: ...40 No Buzzer Abnormal Ribbon Feeding Causing abnormal carriage movement ...
Страница 42: ...41 No Line Feed or Inconsistent Line Feeding ...
Страница 43: ...42 Carriage Error ...
Страница 44: ...43 ...
Страница 46: ...45 Cover Open Error Will Not Cancel With Cover Closed ...
Страница 47: ...46 No Fanfold Paper Reverse Line Feed ...
Страница 48: ...47 Printing Does Not Stop After Paper Is Ejected ...
Страница 49: ...48 Not Powering Up ...
Страница 94: ...93 Indicator Circuit ...
Страница 95: ...94 I F Circuit ...
Страница 96: ...95 Slide SW Circuit ...
Страница 97: ...96 Power Circuit ...
Страница 98: ...97 Exploded View 1 6 Following pages require Legal size paper for printing ...
Страница 99: ...98 Exploded View 2 6 ...
Страница 100: ...99 Exploded View 3 6 ...
Страница 101: ...100 Exploded View 4 6 ...
Страница 102: ...101 Exploded View 5 6 ...
Страница 103: ...102 Exploded View 6 6 ...
Страница 119: ...126 ...