Service manual

Rev. 1.04
- 3 -
EM 220
Mobile Printer Service Manual
5. Disassembly and Exploded view ............................................................................................................36
5-1 Disassembly..........................................................................................................................................36
5-1-1 Remove the Battery .......................................................................................................................36
5-1-2 Remove the ASSY-cover upper.....................................................................................................37
5-1-3 Assy-cover upper ...........................................................................................................................38
5-1-4 Remove the Assy-mechanism .......................................................................................................39
5-1-5 Assy-mechanism............................................................................................................................40
5-1-6 Remove the Assy-PCB-main .........................................................................................................41
5-1-7 Remove the Assy-MSR..................................................................................................................42
5-1-8 Assy-MSR ......................................................................................................................................43
5-1-9 Remove the Assy-cover lower .......................................................................................................44
5-1-10 Assy-cover paper .........................................................................................................................45
5-2 Exploded view.......................................................................................................................................46
5-2-1 EM 220 without MSR .....................................................................................................................46
5-2-2 EM 220M with MSR .......................................................................................................................47
6. Adjustments and Maintenance................................................................................................................48
6-1 Printer Cleaning ....................................................................................................................................48
7. Troubleshooting .......................................................................................................................................49
7-1 Inadequate LED response ....................................................................................................................49
7-2 Printing trouble......................................................................................................................................50
7-3 MSR operation......................................................................................................................................51
7-4 Diagnostic (self-test / hexa-decimal dump) ..........................................................................................52
7-5 Communication Interface......................................................................................................................53