Epson Stylus Pro 4900/Epson Stylus Pro 4910  Revision A
DISASSEMBLY & ASSEMBLY  Overview  103
Confidential
3.1.4  Recommended Tools
To protect this product from damage, use the tools indicated in the following table. 
For the tools required to perform the adjustment, refer to “Tools/Consumables for 
Adjustments” in Chapter 4. 
Table 3-1.  Tools
Name Description Target Part
Phillips screwdriver, No. 1
4 cm or longer shaft length (The 
one with a magnet is 
recommended)
 Printhead
 Fan of SpectroProofer
 Some encoders/sensors
Phillips screwdriver, No. 2
25 cm or longer shaft length (The 
one with a magnet is 
recommended)
Parts in general
Stubby driver with 4 cm or shorter 
shaft length (The one with a 
magnet is recommended)
 CR Motor
 Some sensors
Torque driver, No2 0.39 ± 0.05N/m can be measured.
 Ink Tubes
 Ink Selector
 Cartridge Holder
Flat-blade screwdriver Nothing in particular
 Roll Unit Connector
 Main Board
Tweezers Nothing in particular Overall parts
Pencil
To mark the part installation 
position
 CR Belt
 PF Belt
 Ink tube clamp
Acetate tape
To secure the cable/harness, or for 
the protection against the sharp 
edge
Parts in general (Use this tape 
when it is removed or when 
replacing the part)
Waste cloth
To prevent staining the printer 
with ink during operation
 Ink Tube
 Ink Selector Assy
 Cartridge Holder
 Printhead
 IS Unit