Adjustment Items - Epson Stylus PRO 7500 Service Manual

EPSON Stylus Pro 7500

5.1.3 Adjustment Items

All parts that require adjustment when replaced are listed in the table below.
For actually performed part replacements, and disassembly and reassembly operations, the
specified adjustment items should be performed in the sequence shown in the instructions.
Table 5-2. Service Parts & Required Adjustments
Service
Operation
<Start self-diagnostic function>
1. Capping position adjustment
2. Head rank input (and initial ink charge)
3. Nozzle check
4. Head slant adjustment (B/C heads)
Printhead replacement
5. Head Height (Linear) adjustment
6. Bi-D adjustment
7. Head Gap adjustment
8. Test print
9.Reset the head unit service life counter>
1. <Backup parameters> *1
2. <Reload firmware>
<Start the self-diagnostic function>
3. Capping position adjustment
4. Writing of D/A correction values
C299 MAIN Board
5. Head rank input (initial filling is not necessary)
Replacement
6. Bi-D Adjustment
Note):
If it is possible to
7. Matching between heads (gap)
perform adjustment items
8. Flash point adjustment (8)
1 and 2 in the table at
9. Band feed correction
left, except for item 4 in
10.Top/Bottom adjustment
the table, it is not
11.Rear sensor position adjustment
necessary to perform
items 3, 5~11. 12.Paper sensor adjustment
13.Test print
14.<Replace waste ink pads, reset waste ink service
life counter>
15.Writing the USB-ID.
Adjustment
Adjustment Items Refer to page
Table 5-2. Service Parts & Required Adjustments (continued)
Service
Operation
CR Motor
replacement
193
195
196
197
199
200
203
PF Motor
208
replacement
216
174
175
<Sensor Replacement 1>
193
• P_FRONT Sensor
195
Assembly
195
• P_EDGE Sensor
200
Assembly
203
<Sensor Replacement 2>
204
P_REAR Sensor
205
Assembly
207
184
<Sensor Replacement 3>
208
P_THICK Sensor
216
Assembly
231
<Sensor Replacement 4>
CR_HP Sensor
Assembly
Adjustment Outline
Adjustment Items
1. <Adjust the CR timing belt tension>
Required tool: Tension gauge (for 10,000 g)
<Start the self-diagnostic function>
2. Capping position adjustment
3. Bi-D Adjustment
4. Matching between heads (gap)
5. Flash point adjustment
6. Top/Bottom adjustment
7. Test print
1. <Adjust the PF timing belt tension>
Required tool: Tension gauge (for 4,000 g)
2. <PF ENC installation position adjustment 2>
Required tool: PF ENC installation position
adjustment tool #F765
<Start the self-diagnostic function>
3. Band feed correction
4. Top/Bottom adjustment
5. Rear sensor position adjustment
6. Test print
<Start the self-diagnostic function>
1. Paper sensor adjustment
2. Top/Bottom adjustment
<Start the self-diagnostic function.>
1. Paper sensor adjustment
2. Rear sensor position adjustment
<Start the self-diagnostic function.>
1. In this menu, carry out the "P_Thick" check in
the "Sensor" items.
Required tool: Thickness gauge
<Start the self-diagnostic function>
1. Capping position adjustment
Revision A
Refer to page
220
193
200
203
204
206
208
221
230
205
206
207
208
184
206
184
207
222
193
172