Ricoh FACSIMILE FAX77 - Section 3. Removal and Adjustment

SECTION 3. REMOVAL AND ADJUSTMENT
3-1. Covers . . . . . . . . . . . . 3-1
3-1-1. Top Cover . . . . . . . . . . . . 3-1
3-1-2. Front Cover . . . . . . . . . . . 3-2
3-1-3. Rear Cover . . . . . . . . . . . 3-2
3-2. Scanner . . . . . . . . . . . . 3-3
3-2-1. ADF Clutch . . . . . . . . . . . 3-3
3-2-2. Pick-up and Feed Rollers . . . . . . 3-4
3-2-3. Separation Roller . . . . . . . . . 3-5
- Separation Pressure Adjustment - . . . 3-7
3-2-4. Tx Motor . . . . . . . . . . . . 3-8
- Timing Belt Tension Adjustments - . . . 3-9
3-2-5. Xenon Lamp . . . . . . . . . . . 3-10
3-2-6. Xenon Lamp Driver . . . . . . . . 3-12
3-2-7. SBU . . . . . . . . . . . . . . 3-12
- Adjustments - . . . . . . . . . . . 3-13
3-3. Printer . . . . . . . . . . . . 3-20
3-3-1. Rx Motor . . . . . . . . . . . . 3-20
- Timing Belt Tension Adjustment - . . . . 3-21
3-3-2. Thermal Head . . . . . . . . . . 3-22
3-3-3. Cutter . . . . . . . . . . . . . 3-24
3-4. PCBs . . . . . . . . . . . . . . . 3-25
3-4-1. FCU . . . . . . . . . . . . . . 3-25
3-4-2. Modem . . . . . . . . . . . . . 3-26
3-4-3. Memory (FAX85 only) . . . . . . . 3-26
3-4-4. SRAM Board . . . . . . . . . . . 3-27
3-4-5. PSU . . . . . . . . . . . . . . 3-28
3-4-6. NCU . . . . . . . . . . . . . . 3-28
3-4-7. Operation Panel . . . . . . . . . 3-29