Lexmark 4079 colorjet printer plus Service Manual - Page 117

Removals Removals and Replacements The removals in this section are arranged in the normal order of disassembly. However, it may not be necessary to follow these procedures in rho order in which they are presented here. Use only those proceilure!•' that are necessary to remove the part you need to service. Use the table of contents for this chapter to locate the removal procedure you need. It is assumed that the machine is turned off, power cord is unpiugged. and the covers are removed before starting these procedures iSe' "Covers" on page 3-16). To install parts, reverse the removal procedure, givinc attention to any special conditions l isted. Service Information • Releasing Plastic Latches Ink Tube Servicing Print Head Uncapping and Carriage Centering Manual Carriage Centering (No Power) Manual Print Head Capping (Disabled Machine) Covers Operator Panel Inner Cover Spur Unit . Print Head, Print Head Cover Carriage Card, Carriage Card Holder Cover Print Timing Slit Carriage Encoder and Paper Width Sensor Encoder Cable Handling Carriage Ribbon Cables Carriage Cable Handling Carriage cable 19 pin Carriage cable 20 pin Carriage Shaft, Carriage Belt, and Carriage Ink Supply Power Supply Controller Board and Logic Board Electronic Modules (Assembly 4) Purge Unit Purge Unit Replacement 3. 13 3• 13 3 13 3 14 3 14 3 15 3• 16 3- 17 3. 19 3•••20 3 21 3-24 3.26 3.28 3.•29 3••30 3.30 3.31 3. 32 3 37 3..39 3-41 3.42 3.-43 Repair ntormatiun 3-11