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HP 640 User Guide - Page 62

Print quality problems, Paper feeding problems, Replace the print

UPC - 883585076130

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Troubleshooting Print quality problems Problem Light or blurred characters. Smudged or dark characters. Characters with white lines. Improperly formed or misaligned characters. Abnormal black horizontal lines Solution Check ink level as described in View ink level on page 43. To install a new print cartridge, see Replace the print cartridge on page 44. Make sure the print cartridge is installed correctly. To clean the print cartridge, see Maintain the print cartridge on page 47. Make sure the paper is straight and unwrinkled. Let ink dry before handling the paper. To clean the print cartridge, see Maintain the print cartridge on page 47. If Ink Low. Install new ink cartridge is displayed, install a new print cartridge as described in Replace the print cartridge on page 44. Remove and reinstall the print cartridge. Clean the print cartridge (see Maintain the print cartridge on page 47). Clean the print cartridge (see Clean the print cartridge nozzles on page 47). Clean the cartridge carrier (see Clean the cartridge carrier contacts on page 48). Paper feeding problems Problem Solution Paper is jammed during printing. Clear paper jam as described in Paper jams during printing on page 46. Paper sticks together. • Make sure you have fewer than 50 sheets in the paper tray. • Humid conditions may cause some paper to stick together. Take the paper out and fan the pages and replace. Paper fails to feed. Remove any obstructions inside the printer. Multiple sheets of paper feed. When loading paper, do not force the paper down into the printer. If multiple sheets have caused a paper jam, clear the paper jam. (see Paper jams during printing on page 46.) Paper skews or buckles in the paper tray. The paper tray can hold up to 50 sheets. Make sure the paper guides do not cause the paper to bow. When loading paper, do not force it down into the machine. 56 Care and maintenance

Section	Page
HP 640 Fax series	1
Load paper 1	3
Load documents to fax or copy 2	3
Send a fax 2	3
Receive a fax 3	3
Make a copy 3	3
Make a telephone call 4	3
The HP 640 Fax 6	3
The menus 10	3
Overview of menu options 11	3
Loudspeaker 13	3
Navigate the menus 14	3
Enter dates, times, text, and telephone numbers 15	3
Speed dialing 17	3
Paper types and sizes 19	3
Document types and sizes 20	3
Set document resolution and contrast for a single copy 21	3
Adjust volume 22	3
Automatic fax redial 22	3
Receiving via an extension telephone 22	3
Set rings to answer 23	3
Use Caller ID 24	3
Block junk fax numbers 24	4
Favorites 25	4
Image TCR 26	4
Distinctive ring (DRPD) 27	4
Answer/receive mode 28	4
Broadcasting 31	4
Delayed fax 32	4
Polling 33	4
To cancel the scheduled job 34	4
Forward faxes 35	4
Set the date and time 37	4
Turn on and off sounds 37	4
Set the fax header information 38	4
Print reports 39	4
Reprinting faxes 40	4
Clearing memory 41	4
Loudspeaker 41	4
Redial a number in memory 42	4
Print cartridge information 43	4
View ink level 43	4
Print the self test 44	4
Replace the print cartridge 44	4
Clear jammed documents and paper 46	4
Maintain the print cartridge 47	5
Clean the document scanner area 49	5
Adjust the scanner 51	5
LCD error messages 51	5
Troubleshooting 54	5
Paper types and sizes 57	5
Document types and sizes 57	5
Print cartridge 58	5
Product specifications 58	5
A sample of ITU #1 test chart (reduced to 60.5%) 60	5
Environmental product stewardship program 61	5
Regulatory notices 62	5
Use Hewlett-Packard support services 64	5
Hewlett-Packard LIMITED WARRANTY STATEMENT 65	5
Quick start	7
Load paper	7
Load documents to fax or copy	8
Send a fax	8
Receive a fax	9
FAX or TAM answer mode	9
AUTO answer mode	9
TEL answer mode	9
Make a copy	9
Single copy-default settings	9
Multiple copies or copies with options/settings	9
Make a telephone call	10
HP Fax basics	11
The HP 640 Fax	12
Parts of the HP Fax	12
Control Panel of HP Fax	14
The menus	16
Overview of menu options	17
BASIC FAX menu	17
ADVANCED FAX menu	19
TOOLS menu	19
Loudspeaker	19
Navigate the menus	20
Ready mode	20
Menu buttons	20
Enter dates, times, text, and telephone numbers	21
Most text fields	21
Fax header telephone number	22
Speed dialing	23
Store a number in the phone book	23
Print the phone book	24
Dial from the phone book	24
One-touch dialing	24
Phone book dialing	24
Search sequentially through the phone book	24
Search for a particular first letter	24
Paper types and sizes	25
Document types and sizes	26
DO NOT try to send documents that are:	26
Set document resolution and contrast for a single copy	27
Adjust volume	28
Ringer volume	28
Speaker volume	28
Automatic fax redial	28
Receiving via an extension telephone	28
Additional features	29
Set rings to answer	29
Use Caller ID	30
Turn Caller ID on	30
See who called with Caller ID	30
Print a list of Caller ID numbers	30
Block junk fax numbers	30
Add a junk fax number	30
Delete a number	31
Favorites	31
Save a document	31
Delete a document	31
Send a document	31
Print a document	32
Image TCR	32
Distinctive ring (DRPD)	33
Step 1-Teach the HP Fax the ring pattern	33
Step 2-Set up distinctive ring (DRPD) answer mode	33
Answer/receive mode	34
Advanced faxing	37
Broadcasting	37
Delayed fax	38
Polling	39
Setting send polling	39
Polling another fax to receive	40
To cancel the scheduled job	40
Forward faxes	41
Feature reference	43
Set the date and time	43
Turn on and off sounds	43
WakeUp sounds	43
Alarm sounds	44
Key sounds	44
Silent mode	44
Set the fax header information	44
Print reports	45
Automatic reports	45
Reports you can print	45
Reprinting faxes	46
Clearing memory	47
Loudspeaker	47
Redial a number in memory	48
Care and maintenance	49
Print cartridge information	49
View ink level	49
Print the self test	50
Replace the print cartridge	50
Clear jammed documents and paper	52
Document jams during transmission	52
To clear document jam:	52
Paper jams during printing	52
If the paper is jammed in the printing area	52
If the paper is jammed in the paper feed area	53
Maintain the print cartridge	53
Clean the print cartridge nozzles	53
Wipe the print nozzles and contacts	53
Clean the nozzles	53
Clean the cartridge carrier contacts	54
Clean the document scanner area	55
Adjust the scanner	57
LCD error messages	57
Troubleshooting	60
Fax problems	60
Print quality problems	62
Paper feeding problems	62
Specifications and regulatory information	63
Paper types and sizes	63
Document types and sizes	63
Acceptable documents	63
Print cartridge	64
Product specifications	64
A sample of ITU #1 test chart (reduced to 60.5%)	66
Environmental product stewardship program	67
Regulatory notices	68
Use Hewlett-Packard support services	70
Hewlett-Packard LIMITED WARRANTY STATEMENT	71