Specifications

5.4.3 Vibration Faults . . .............................5–15
5.5 ASCII Print Test .....................................5–16
5.5.1 Starting the ASCII Print Test ....................5–16
5.5.2 Stopping the ASCII Print Test ....................5–16
5.6 Testing the Power Supply . .............................5–16
5.6.1 Power Supply FRUs ............................5–17
5.6.2 Finding and Correcting a Power Supply Problem . ....5–19
5.7 Field Replaceable Units (FRUs) ..........................5–20
5.8 Internal Wiring Numbers . . .............................5–24
Chapter 6 REMOVAL AND REPLACEMENT
PROCEDURES
6.1 Overview ............................................6–1
6.2 Required Tools . . ......................................6–2
6.3 Preparing the Printer For Disassembly .....................6–2
6.4 Paper Handling Hardware . ..............................6–4
6.5 Installing Shipping Hardware ............................6–6
6.6 Front Door and Rear Access Panels . . ......................6–8
6.7 Top Cover ...........................................6–10
6.8 Print Actuator Modules . . . .............................6–12
6.9 Inner Control Panel ...................................6–14
6.10 Shroud and Ribbon Drive Assembly . . .....................6–16
6.11 Ribbon Drive Motor ...................................6–18
6.12 Ribbon Weld Sensor ...................................6–20
6.13 Smudge Shield . . .....................................6–22
6.14 Linear Velocity Transducer (LVT) Coil and Magnet ...........6–24
6.14.1 Removing the LVT Coil and Magnet . . . ............6–24
6.14.2 Replacing the LVT Coil and Magnet . . . ............6–24
6.15 Actuator Ribbon Cables . . . .............................6–26
6.16 Line Filter Assembly ..................................6–28
6.17 AC Switch Box . . .....................................6–30
6.18 AC Circuit Breaker ...................................6–33
6.19 Paper Feed Motor ....................................6–34
6.19.1 Removing the Paper Feed Motor ..................6–36
6.19.2 Replacing the Paper Feed Motor ..................6–37
vi