Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
MAINTENANCE Lubrication 422
Confidential
LUBRICATION POINTS LIST
Lubrication
No.
Corresponding Part Lubrication Points Purpose/Timing Name of Lubricant Lubrication Tool Reference
1-1
Pickup Unit
On the portion where it contacts with FRAME
ASSEMBLY, MIDDLE, RIGHT
When an error occurs in paper feeding from
ASF.
Part name:G-71
Part code:
1304682
φ 2 mm injector p.424
1-2
On the portion where it contacts with SPUR GEAR, 76.8,
RIGHT
Part name:G-71
Part code:
1304682
φ 2 mm injector p.424
On the portion where it contacts with SPUR GEAR, 76.8,
LEFT
1-3 On the bearings of the SHAFT, ROLLER, PICKUP
Load reduction of SHAFT, ROLLER,
PICKUP.
Part name:G-71
Part code:
1304682
φ 2 mm injector p.425
2
HOLDER, LEVER,
EDGE GUIDE
RELEASE
On the two portions where they contact with HOLDER,
LEVER, EDGE GUIDE RELEASE
Load reduction of the contacting points.
Lubricate when Paper Empty Sensor is
replaced.
Part name:G-71
Part code:
1304682
φ 2 mm injector p.425
On the portion where it contacts with SPUR GEAR, 48
Part name:G-71
Part code:
1304682
φ 2 mm injector p.425
3
HOLDER, SENSOR,
RELEASE, ASF
UNIT
On the portion where it contacts with SPUR GEAR,
76.8, RIGHT
On the portion where it contacts with HOLDER,
SENSOR, RELEASE, ASF
Load reduction of the contacting points.
Lubricate when Assist Roller Sensor, Retard
Roller Sensor, or Pickup Unit Sensor is
replaced.
Part name:G-71
Part code:
1304682
φ 2 mm injector p.426
4
SHAFT, RELEASE,
PAPER GUIDE,
UPPER UNIT
On the portion where it contacts with MOUNTING
PLATE, ASSEMBLY, RELEASE, DRIVEN, LEFT
The shaft engaged with FRAME, MAIN
Cogs of SPUR GEAR, 22
When an error occurs in release
operation.
When an abnormal noise comes from the
release unit.
Part name:G-26
Part code:
1080614
φ 2 mm injector p.426
5
PAPER GUIDE,
UPPER UNIT
On the ribs of CAM, RELEASE, DRIVEN When an error occurs in PF operation.
Part name:G-26
Part code:1080614
φ 2 mm injector p.427
6
PAPER GUIDE,
REAR COVER
Bearings of the PAPER GUIDE, REAR When an error occurs in PF operation.
Part name:G-84
Part code:
1516265
φ 2 mm injector p.427
7-1
CR Unit
On the shaft which is attached with SUPPORT ROD,
SHAFT, CR
Load reduction and wear protection.
Lubricate when CR Unit is replaced.
Part name:G-84
Part code:
1516265
φ 2mm injector
Waste cloth
p.428
7-2 Inside HOLDER, OIL PAD
Part name:O-17
Part code:
1521154
Container for O-17
oil
p.428
7-3 Inside HOLDER, OIL PAD
Part name:G-84
Part code:1516265
φ 4 mm injector p.429
7-4
On the portion where it contacts with GUIDE BOARD,
CR
Part name:G-84
Part code:
1516265
φ 2 mm injector p.429
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