Olivetti MB-2 - Maintenance; Photosensor Cleaning;Replacement; Mechanical Adjustments; Disassembly and Reassembly of Parts

Index vii
FAULT CLASSIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Faults at power-on
. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
Faults during writing of the document
. . . . . . . . . . . . . . . . 5-14
Faults with document handling
. . . . . . . . . . . . . . . . . . . . 5-16
Chapter 6- MAINTENANCE 6-1
CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Cleaning the case
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Cleaning the paper paths
. . . . . . . . . . . . . . . . . . . . . . . . 6-1
LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
PROCEDURE FOR CLEANING / REPLACING THE
PHOTOSENSORS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
MECHANICAL ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . 6-3
Adjusting the document drive belt
. . . . . . . . . . . . . . . . . . . 6-3
Adjusting the print bar
. . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Adjusting the print bar parallelism and leaf spring load
. . . . . . 6-5
Adjusting Paper Photosensor
. . . . . . . . . . . . . . . . . . . . . . 6-6
Adjusting the roller gears
. . . . . . . . . . . . . . . . . . . . . . . . 6-7
Adjusting the front pressure rollers
. . . . . . . . . . . . . . . . . . 6-8
Adjusting the horizontal magnetic/MICR drive belt tension
. . . . 6-9
Adjusting the horizontal magnetic/MICR closing flap
. . . . . . . 6-10
Positioning the horizontal magnetic/MICR pressure roller
. . . 6-11
Positioning the assy on the horizontal magnetic/MICR structure
6-12
Replacement and adjustment of belt for carriage movement
. . 6-13
Chapter 7 - DISASSEMBLY/REASSEMBLY OF PARTS 7-1
PRELIMINARY WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
BASIC MACHINE DISASSEMBLY/REASSEMBLY PROCEDURES
. 7-2
Console disassembly/reassembly
. . . . . . . . . . . . . . . . . . . 7-2
Top cover disassembly/reassembly
. . . . . . . . . . . . . . . . . . 7-3
Casing disassembly/reassembly
. . . . . . . . . . . . . . . . . . . . 7-4
Mechanical assy disassembly/reassembly
. . . . . . . . . . . . . . 7-6
Printhead flat cable disassembly/reassembly
. . . . . . . . . . . . 7-8
Printhead disassembly/reassembly
. . . . . . . . . . . . . . . . . 7-10
Upper mechanical assy disassembly/reassembly
. . . . . . . . 7-11
Paper feed motor disassembly/reassembly
. . . . . . . . . . . . 7-12
Printhead drive motor disassembly/reassembly
. . . . . . . . . . 7-13
Services motor disassembly/reassembly
. . . . . . . . . . . . . . 7-14
Feeder photosensors disassembly/reassembly
. . . . . . . . . . 7-15
Disassembling/reassembling the print bar
. . . . . . . . . . . . . 7-18
Disassembling/reassembling pressure roller unit
. . . . . . . . . 7-19
Disassembling/reassembling the motherboard
. . . . . . . . . . 7-20
Fan power supply unit disassembly/reassembly
. . . . . . . . . 7-22
Power supply unit disassembly/reassembly
. . . . . . . . . . . . 7-22