Brother International HL-2600CN Service Manual - Page 313
Toner Sensor PCB.LED side
 |
View all Brother International HL-2600CN manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 313 highlights
Error Code E4 Concerned Part Toner Sensor PCB.(LED side) Confirm the connection of a toner sensor PCB.(LED side) connector. Is DCN7 of IOD1 properly connected with a connector of the toner sensor ? YES Check the voltage(LEDON-N/P) NO NO Connect them properly. Is E4 error cleared ? Is a signal voltage between DCN7-7 and 9 to be a rising edge(+24V) ? YES NO Is a signal voltage between DCN1-15 and 41 to be a trailing edge ? NO Replace the toner sensor PCB. Replace the IOD1 PWB 2. YES Job is complete. YES Is E4 error cleared ? YES Job is complete. NO Replace the MCTL PWB 2. IOD1 Toner Empty PCB. MCTL DCN1 DCN7 1ICN 41 SGND 41 15 LEDON-N 15 7 LEDON-P 7 7 8 TLSCHK 8 8 9 SGND 9 9 1 2 3
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
-
125
-
126
-
127
-
128
-
129
-
130
-
131
-
132
-
133
-
134
-
135
-
136
-
137
-
138
-
139
-
140
-
141
-
142
-
143
-
144
-
145
-
146
-
147
-
148
-
149
-
150
-
151
-
152
-
153
-
154
-
155
-
156
-
157
-
158
-
159
-
160
-
161
-
162
-
163
-
164
-
165
-
166
-
167
-
168
-
169
-
170
-
171
-
172
-
173
-
174
-
175
-
176
-
177
-
178
-
179
-
180
-
181
-
182
-
183
-
184
-
185
-
186
-
187
-
188
-
189
-
190
-
191
-
192
-
193
-
194
-
195
-
196
-
197
-
198
-
199
-
200
-
201
-
202
-
203
-
204
-
205
-
206
-
207
-
208
-
209
-
210
-
211
-
212
-
213
-
214
-
215
-
216
-
217
-
218
-
219
-
220
-
221
-
222
-
223
-
224
-
225
-
226
-
227
-
228
-
229
-
230
-
231
-
232
-
233
-
234
-
235
-
236
-
237
-
238
-
239
-
240
-
241
-
242
-
243
-
244
-
245
-
246
-
247
-
248
-
249
-
250
-
251
-
252
-
253
-
254
-
255
-
256
-
257
-
258
-
259
-
260
-
261
-
262
-
263
-
264
-
265
-
266
-
267
-
268
-
269
-
270
-
271
-
272
-
273
-
274
-
275
-
276
-
277
-
278
-
279
-
280
-
281
-
282
-
283
-
284
-
285
-
286
-
287
-
288
-
289
-
290
-
291
-
292
-
293
-
294
-
295
-
296
-
297
-
298
-
299
-
300
-
301
-
302
-
303
-
304
-
305
-
306
-
307
-
308 -
309 -
310 -
311 -
312 -
313 -
314 -
315 -
316 -
317 -
318 -
319
-
320
-
321
-
322
-
323
-
324
-
325
-
326
-
327
-
328
-
329
-
330
-
331
-
332
-
333
-
334
-
335
-
336
-
337
-
338
-
339
-
340
-
341
-
342
-
343
-
344
-
345
-
346
-
347
-
348
-
349
-
350
-
351
-
352
-
353
-
354
-
355
-
356
-
357
-
358
-
359
-
360
-
361
-
362
-
363
-
364
-
365
-
366
-
367
-
368
-
369
-
370
-
371
-
372
-
373
-
374
-
375
-
376
-
377
-
378
-
379
-
380
-
381
-
382
-
383
-
384
 |
 |
Error Code
Concerned Part
Toner Sensor PCB.(LED side)
E4
Confirm the connection of a toner sensor PCB.(LED side) connector.
Check the voltage(LEDON-N/P)
Is a signal voltage between DCN7-7 and 9 to be a rising edge(+24V) ?
Is a signal voltage between DCN1-15 and 41 to be a trailing edge ?
Is E4 error cleared ?
Job is complete.
Connect them properly.
Is E4 error cleared ?
Replace the toner sensor PCB.
Replace the MCTL PWB 2.
Job is complete.
MCTL
1ICN
41
15
SGND
IOD1
DCN1
YES
NO
YES
NO
Is DCN7 of IOD1 properly connected with a connector of the toner sensor ?
41
15
YES
YES
Replace the IOD1 PWB 2.
7
8
9
1
2
3
Toner Empty PCB.
YES
NO
LEDON-N
7
8
9
DCN7
LEDON-P
TLSCHK
SGND
7
8
9
NO
NO