Epson B 1100 Service Manual

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6. .Press the Driven Pulley toward the center to loosen the CR Drive Belt, and 
remove the CR Drive Belt from the CR Motor Pinion Gear.
Figure 4-149. Removing the CR Motor
7. Remove the two C.B. M3 x 4 screws that secure the CR Motor, and remove the CR 
Motor from the Main Frame.
Figure 4-150. Removing the CR Motor
CR Drive Belt
Driven Pulley
CR Motor Pinion...

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4.5.2  PF Motor
1. Remove the Printer Mechanism. (Refer to 4.4.4 Lower Housing / Printer 
Mechanism (p.86).)
2. Disconnect the PF Motor connector cable from connector CN116 (black) on the 
Main Board, and remove it from the Clamp on the Main Frame.
3. Remove the two C.C. M3 x 4 screws that secure the PF Motor.
4. Remove the PF Drive Belt from the PF Motor...

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4.5.3  ASF Motor
1.Remove the Upper Housing / Printer Cover. (p.72)
2. Remove the Earth cable. (refer to 4.4.6 ASF Assy Step2 (p96) .)
3. Release the ASF Motor cable from the cable hook and disconnect the relay 
connector.
4. Remove the two C.B.P. M3 x 8 screws that secure the ASF Motor and remove the 
ASF Motor.
Figure 4-154. Removing the ASF Motor
Secure...

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4.6  Removing the Sensors
4.6.1  CR Encoder
1.Remove the Carriage Shaft / Carriage Unit. (p.88)
2. Remove the two C.B.P. M2.6 x 5 screws that secure the CR Encoder Sensor 
Board.
3. Disconnect the PW Sensor FFC from the connector on the CR Encoder Sensor 
Board, and remove the CR Encoder Sensor Board.
Figure 4-156. Removing the CR Encoder Sensor Board
4.6.2...

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4. While pressing the guide pin on the PF Encoder Sensor Holder using tweezers, 
slide the holder upwards to release the three tabs, and remove the PF Encoder 
Sensor Holder.
Figure 4-158. Removing the PF Encoder Sensor Holder4.6.3  PW Sensor
1.Remove the Carriage Shaft / Carriage Unit. (p.88)
2. Remove the C.P.B. (P1) M1.7 x 5 screw that secures the PW...

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4.6.4  PE Sensor Holder
1.Remove the ASF Assy. (p.96)
2. Remove the PE Sensor connector cable from the five tabs on the Release Holder 
Assy and the two tabs on the Head Cable Cover.
Figure 4-162. Releasing the Cables
3. Release the tabs that secure the PE Sensor Holder from the notch on the Main 
Frame with a flathead screwdriver, and slide the PE Sensor...

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4.6.5  Cover Open Sensor
1.Remove the Panel Unit. (p.69)
2. Remove the C.B.P. M3x10 screw that secures the Cover Open Sensor and remove 
the Cover Open Sensor.
Figure 4-165. Removing the Cover Open Sensor
Align the four tabs and guide pin on the PE Sensor Holder with the 
positioning holes on the Main Frame correctly so that there is no 
gap between the PE...

Confidential
CHAPTER
5
ADJUSTMENT 

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5.1  Adjustment Items and Overview
This chapter describes adjustments to be made after the disassembly/reassembly of this product.
5.1.1  Servicing Adjustment Item List
The items, purposes and outlines of the Adjustment Program are given in the following table.
Table 5-1. Adjustment Items
AdjustmentPurposeMethod Outline
PF Belt Tension 
AdjustmentThis adjustment...

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Initialize PF 
deterioration offsetThe deterioration amount of the PF Roller Shaft is reflected to 
the paper feed correction amount. Every time a sheet of paper is 
fed, the deterioration amount is counted on the basis of the 
original counter value setting.When the PF Roller Shaft or 
Printer Mechanism has been replaced during repair, the PF 
deterioration...