EPSON Stylus Pro 7500 Revision A
Adjustment Adjustment Outline 172
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
Adjustment Items Refer to page
Printhead replacement
<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)
5. Head Height (Linear) adjustment
6. Bi-D adjustment
7. Head Gap adjustment
8. Test print
9.Reset the head unit service life counter>
193
195
196
197
199
200
203
208
216
C299 MAIN Board
Replacement
Note):
If it is possible to
perform adjustment items
1 and 2 in the table at
left, except for item 4 in
the table, it is not
necessary to perform
items 3, 5~11.
1. <Backup parameters> *1
2. <Reload firmware>
<Start the self-diagnostic function>
3. Capping position adjustment
4. Writing of D/A correction values
5. Head rank input (initial filling is not necessary)
6. Bi-D Adjustment
7. Matching between heads (gap)
8. Flash point adjustment (8)
9. Band feed correction
10.Top/Bottom adjustment
11.Rear sensor position adjustment
12.Paper sensor adjustment
13.Test print
14.<Replace waste ink pads, reset waste ink service
life counter>
15.Writing the USB-ID.
174
175
193
195
195
200
203
204
205
207
184
208
216
231
CR Motor
replacement
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
220
193
200
203
204
206
208
PF Motor
replacement
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
221
230
205
206
207
208
<Sensor Replacement 1>
• P_FRONT Sensor
Assembly
• P_EDGE Sensor
Assembly
<Start the self-diagnostic function>
1. Paper sensor adjustment
2. Top/Bottom adjustment
184
206
<Sensor Replacement 2>
P_REAR Sensor
Assembly
<Start the self-diagnostic function.>
1. Paper sensor adjustment
2. Rear sensor position adjustment
184
207
<Sensor Replacement 3>
P_THICK Sensor
Assembly
<Start the self-diagnostic function.>
1. In this menu, carry out the “P_Thick” check in
the “Sensor” items.
Required tool: Thickness gauge
222
<Sensor Replacement 4>
CR_HP Sensor
Assembly
<Start the self-diagnostic function>
1. Capping position adjustment
193
Table 5-2. Service Parts & Required Adjustments (continued)
Service
Operation
Adjustment Items Refer to page