– 1 –
1
CHAPTER 1
ADJUSTMENTS
This printer has undergone various adjustments so that it will attain a given standard of performance.
In this chapter, a brief explanation is given of the methods for making adjustments.
Follow the instructions when performing maintenance inspections or when replacing parts to correct
malfunctions.
1.
Adjustment of the Gap Between the Print Head and the Platen .......... 2
1-1.
Measuring the Gap Between the Print Head and the Platen ............................. 2
1-2.
Adjusting the Gap Between Print Head and the Platen ..................................... 3
2.
Adjustment of the Dot Aligment ............................................................. 4
3.
Adjustment of the Black Mark Sensor Alignment ................................. 6
Summary of Contents for SP500 Series
Page 1: ...DOT MATRIX PRINTER SP500 Series TECHNICAL MANUAL FOURTH EDITION ...
Page 24: ... 21 Fig 3 2 Lubricated Areas B C D E A A F G F G B C D E 1 7 6 8 0 A D A 2 3 9 5 4 B C C ...
Page 25: ... 22 Fig 3 3 Screw Locking a b c d e e ...
Page 42: ... 39 Main Logic Board Parallel Interface 3 4 ...
Page 43: ... 40 Main Logic Board Parallel Interface 4 4 ...
Page 44: ... 41 5 2 Component Layout ...
Page 51: ... 48 Main Logic Board RS 232C Interface 3 4 ...
Page 52: ... 49 Main Logic Board RS 232C Interface 4 4 ...
Page 53: ... 50 6 2 Component Layout ...
Page 60: ... 57 Main Logic Board USB Ethernet Wireless LAN Interface 3 4 ...
Page 61: ... 58 Main Logic Board USB Ethernet Wireless LAN Interface 4 4 ...
Page 62: ... 59 UPC358 7 2 Component Layout ...
Page 67: ... 64 8 Power Supply Unit 8 1 Circuit Diagram ...
Page 68: ... 65 8 2 Component Layout ...
Page 71: ... 68 9 USB Interface Board 9 1 Circuit Diagram ...