Brother QL-700, Service Manual

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[6] Disassembling the Upper Cover and the Under Cover ................................................ III-16
[7] Removing the Mecha ASSY ........................................................................................ III-19
[8] Removing the Cutter Unit ASSY ................................................................................. III-20
[9] Disassembling the Mecha ASSY.................................................................................. III-21
3.5 REASSEMBLING PROCEDURE ....................................................................................... III-26
[1] Reassembling the Mecha ASSY................................................................................... III-26
[2] Installing the Cutter Unit ASSY................................................................................... III-32
[3] Reassembling the Panel Cover ..................................................................................... III-33
[4] Installing the Mecha ASSY .......................................................................................... III-35
[5] Reassembling the Upper Cover and the Under Cover.................................................. III-37
[6] Installing the Panel Cover ............................................................................................ III-41
[7] Installing the Media PCB ASSY .................................................................................. III-42
[8] Reassembling the Sub ASSY Inlet ............................................................................... III-43
[9] Installing the Main PCB ASSY and the Power supply ASSY ..................................... III-45
[10] Installing the Top Cover ASSY and the Thermal Tape ............................................... III-50
[11] Demonstration Print and Final Check .......................................................................... III-53
CHAPTER IV TROUBLESHOOTING AND
ERROR MESSAGE........................................... IV-1
4.1 PRECAUTIONS..................................................................................................................... IV-1
4.2 AFTER REPAIRING .............................................................................................................IV-1
4.3 STATUS LED CONTROL IN DIFFERENT SITUATIONS AND
MEASURE AGAINST ERRORS .......................................................................................... IV-2
4.4 ERROR MESSAGE ............................................................................................................... IV-4
4.5 TROUBLESHOOTING FLOWS ........................................................................................... IV-7
[1] Printing is performed with specific dots omitted. .......................................................... IV-7
[2] The tape is not detected correctly................................................................................... IV-8
[3] LED does not turn on. .................................................................................................... IV-9
[4] No printing is performed. .............................................................................................IV-10
[5] The interface malfunction............................................................................................. IV-10
[6] The tape is not cut.........................................................................................................IV-11
[7] The tape is not feed correctly. ...................................................................................... IV-12
APPENDIX 1 SERVICEMAN SOFTWARE TOOL
(Version 1.00) ......................................................... 1-1
1.1 Role and Operating procedure of the VR Adjustment Tool ..................................................... 1-1
1.1.1 Role of the VR Adjustment Tool........................................................................................ 1-1
1.1.2 Operating procedure of the VR Adjustment Tool .............................................................. 1-1
1.2 Setting and Operating procedure of the Serviceman Software Tool ........................................ 1-3
1.2.1 Role of the Serviceman Software Tool .............................................................................. 1-3
1.2.2 Items Required for the Inspection ...................................................................................... 1-3
1.2.3 Setting of the Serviceman Software Tool........................................................................... 1-3
1.3 Operating procedure of the Serviceman Software Tool ........................................................... 1-4
1.3.1 Starting of the Serviceman Software Tool ......................................................................... 1-4
1.3.2 Performing of the Inspection .............................................................................................. 1-4
1.4 Inspection Details ..................................................................................................................... 1-6