Apple ImageWriter II/L Specifikace stáhnout pdf (Strana 52)

Troubleshooting Symptom Charts/Paper Feed - 10

Paper Feed

Grinding during paper

feed

1 Remove platen knob to verify that there are no obstructions

in the gears beneath knob.

2 Adjust paper guide (refer to Adjustments).

3 Replace line feed motor.

4 Replace main board.

Paper adjustment

lever does not move

Verify that power on/off cable is not pinched between lever and

metal frame or plastic case.

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 193 194

ImageWriter II/L 1
Introduction 2
CPU and Gate Array 10
Carrier Motor Drivers 10
Line Feed 11
Ribbon Motor Drivers 11
Sub PCB Board 13
Operation Panel 17
Operating Switches 20
Indicators 28
Speciﬁcations 33
Characteristics 34
I/O Interfaces 36
Transmission Speed 37
Input Buffer 37
Paper Feed 38
Electrical 39
Physical 40
Environmental 41
Troubleshooting 42
Symptom Charts 44
Print Quality 47
Carriage Movement 49
Miscellaneous 53
Take Apart 54
Ribbon Cartridge 55
Tractor Cover 55
Ribbon Cover 55
Top Cover 55
Connector CN7 60
Print Head and 69
Plastic Cap 74
Adjustment Ring 74
Plastic Collar 74
Top Plate 78
Color Ribbon Detect 83
Ribbon Wire and 85
Drive Belt/Carrier 88
Carrier Motor 92
Mechanical 93
Flexible Ribbon 99
3 Slightly lift up the front 101
Ribbon Motor 104
Assembly 104
2 Remove the two 106
Power Supply 107
Ground Plate 109
On/Off Power Switch 111
Sub PCB 112
Interface Board 112
1 Remove the screw 113
2 Squeeze the two standoffs 114
Line Feed Motor 117
3 Remove the two screws 119
Carrier Assembly 120
1 Unhook the ribbon wire 121
4 Using needlenose pliers 123
Carrier Shaft 124
2 Remove the screw from 125
Paper Deﬂector 129
Print Head Board 130
Shift Gear/ 133
Transfer Gears 133
Shift Gear Assembly 134
Paper Bail 137
3 Unscrew and remove the 139
4 Unscrew and remove the 139
Platen Roller and 141
Tractor Assembly 144
Pinch Roller Assembly 146
2 Using a flat-blade 147
Paper -Out Sensor 150
Upgrades 151
Option Board 152
Option Card 153
Main Board 153
Ground Clip 153
Main Logic Board 155
Fuse FU1 156
Impression Lever 159
Bushing & Tab 160
Carrier Cam 160
Feeler Gauge 162
Front of 162
Metal Shield 162
Print Head 162
Install Shim 164
Remove Shim 166
Self-Test 167
Maintenance 170
Felt Wiper 171
Dot Head 173
Ribbon Cam 175
Paper Cover 177
Knurled Nut 179
Firing Hammer 182
DIP Switches 184
Impression 186
Drive Belt 188
Adjustment 189
Pulley Arm 189
Paper Guide 190
Two Sheets of Paper 193

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