Epson Stylus Pro 4900/Epson Stylus Pro 4910 Revision A
ADJUSTMENT Overview 284
Confidential
Paper Feed
Mechanism
Suction Fan 1 Suction Check & Adjustment Normal
√
Adjustment device ---
√ p.383
PE Sensor
1 Sensor Check (PE Sensor)
Serviceman
Mode
--- --- ---
√ p.394
2 Rear AD Adjustment
Serviceman
Mode
--- Standard Sheet ---
√ p.372
PW Sensor
1 FFC Position Check Normal
√
--- ---
√√ p.316
2 CR Belt Adjustment Normal
√
Sonic Tension Meter
U-507
---
√√ p.319
3 PG Height Check & Adjustment Normal
√
PG adjustment jig
1.55 mm/1.65 mm/
1.75 mm
---
√√ p.321
4 Nozzle Check Normal
√
--- Premium Glossy Photo Paper (250)
√√ p.334
5 CR & PF Direction Head Slant Adjustment Normal
√
Calibrated loupe Premium Glossy Photo Paper (250)
√√ p.336
6 CR Encoder and Scale Check Normal
√
--- ---
√√ p.327
7 Active Damper Adjustment Normal
√
--- ---
√√ p.329
8 Ink Mark Sensor Check & Adjustment Normal
√
--- Enhanced Matte Paper A4 (ASF Feed)
√√ p.330
9 PW + T&B&S Check & Adjustment Normal
√
---
Enhanced Matte Paper A4
(ASF Feed & Rear Manual Feed)
√√ p.378
10 Auto Bi-D Adjustment Normal
√
--- Premium Glossy Photo Paper (250)
√√ p.341
ROLL Unit
Roll Feeding Motor
Assy
1
Counter reset after replacing the Roll Feeding
Motor Assy
Normal
√
--- ---
√ p.312
ASF Unit
Retard Roller 1 Counter reset after replacing the Retard Roller Normal
√
--- ---
√ p.312
Pickup Roller 1 Counter reset after replacing the Pickup Roller Normal
√
--- ---
√ p.312
ASF Motor Assy 1 Counter reset after replacing the ASF Motor Normal
√
--- ---
√ p.312
ASF Sub Motor Assy 1
Counter reset after replacing the ASF Sub
Motor
Normal
√
--- ---
√ p.312
Table 4-1. Adjustment items and the order by repaired part
Class Part/Unit Adjustment
Execution
Mode
Use of
SP
Jig Media RP RM Page